1280217120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 576

約数和(自身を含む): 5212408320

約数和(自身を除く): 3932191200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 53, 56, 60, 65, 70, 78, 79, 80, 84, 91, 96, 98, 104, 105, 106, 112, 120, 130, 140, 147, 156, 158, 159, 160, 168, 182, 195, 196, 208, 210, 212, 224, 237, 240, 245, 260, 265, 273, 280, 294, 312, 316, 318, 336, 364, 371, 390, 392, 395, 416, 420, 424, 455, 474, 480, 490, 520, 530, 546, 553, 560, 588, 624, 632, 636, 637, 672, 689, 728, 735, 742, 780, 784, 790, 795, 840, 848, 910, 948, 980, 1027, 1040, 1060, 1092, 1106, 1113, 1120, 1176, 1185, 1248, 1264, 1272, 1274, 1365, 1378, 1456, 1470, 1484, 1560, 1568, 1580, 1590, 1659, 1680, 1696, 1820, 1855, 1896, 1911, 1960, 2054, 2067, 2080, 2120, 2184, 2212, 2226, 2352, 2370, 2528, 2544, 2548, 2597, 2730, 2756, 2765, 2912, 2940, 2968, 3081, 3120, 3160, 3180, 3185, 3318, 3360, 3445, 3640, 3710, 3792, 3822, 3871, 3920, 4108, 4134, 4187, 4240, 4368, 4424, 4452, 4704, 4740, 4823, 5088, 5096, 5135, 5194, 5460, 5512, 5530, 5565, 5880, 5936, 6162, 6240, 6320, 6360, 6370, 6636, 6890, 7189, 7280, 7420, 7584, 7644, 7742, 7791, 7840, 8216, 8268, 8295, 8374, 8480, 8736, 8848, 8904, 9480, 9555, 9646, 10192, 10270, 10335, 10388, 10920, 11024, 11060, 11130, 11613, 11760, 11872, 12324, 12561, 12640, 12720, 12740, 12985, 13272, 13780, 14378, 14469, 14560, 14840, 15288, 15405, 15484, 15582, 16432, 16536, 16590, 16748, 17696, 17808, 18960, 19110, 19292, 19355, 20384, 20540, 20670, 20776, 20935, 21567, 21840, 22048, 22120, 22260, 23226, 23520, 24115, 24648, 25122, 25440, 25480, 25970, 26544, 27560, 28756, 28938, 29309, 29680, 30576, 30810, 30968, 31164, 32864, 33072, 33180, 33496, 33761, 35616, 35945, 37920, 38220, 38584, 38710, 38955, 41080, 41340, 41552, 41870, 43134, 43680, 44240, 44520, 46452, 48230, 49296, 50244, 50323, 50960, 51940, 53088, 54431, 55120, 57512, 57876, 58065, 58618, 59360, 61152, 61620, 61936, 62328, 62805, 66144, 66360, 66992, 67522, 71890, 72345, 76440, 77168, 77420, 77910, 82160, 82680, 83104, 83740, 86268, 87927, 88480, 89040, 92904, 96460, 98592, 100488, 100646, 101283, 101920, 103880, 107835, 108862, 110240, 115024, 115752, 116130, 117236, 123240, 123872, 124656, 125610, 132720, 133984, 135044, 143780, 144690, 146545, 150969, 152880, 154336, 154840, 155820, 163293, 164320, 165360, 167480, 168805, 172536, 175854, 178080, 185808, 192920, 200976, 201292, 202566, 205163, 207760, 215670, 217724, 230048, 231504, 232260, 234472, 246480, 249312, 251220, 251615, 265440, 270088, 272155, 287560, 289380, 293090, 301938, 305760, 309680, 311640, 326586, 330720, 334960, 337610, 345072, 351708, 371616, 381017, 385840, 401952, 402584, 405132, 410326, 415520, 431340, 435448, 439635, 463008, 464520, 468944, 492960, 502440, 503230, 506415, 540176, 544310, 575120, 578760, 586180, 603876, 615489, 619360, 623280, 653172, 669920, 675220, 690144, 703416, 754845, 762034, 771680, 805168, 810264, 816465, 820652, 862680, 870896, 879270, 929040, 937888, 1004880, 1006460, 1012830, 1025815, 1080352, 1088620, 1143051, 1150240, 1157520, 1172360, 1207752, 1230978, 1246560, 1306344, 1350440, 1406832, 1509690, 1524068, 1610336, 1620528, 1632930, 1641304, 1725360, 1741792, 1758540, 1858080, 1905085, 2009760, 2012920, 2025660, 2051630, 2177240, 2286102, 2315040, 2344720, 2415504, 2461956, 2612688, 2667119, 2700880, 2813664, 3019380, 3048136, 3077445, 3241056, 3265860, 3282608, 3450720, 3517080, 3810170, 4025840, 4051320, 4103260, 4354480, 4572204, 4689440, 4831008, 4923912, 5225376, 5334238, 5401760, 5715255, 6038760, 6096272, 6154890, 6531720, 6565216, 7034160, 7620340, 8001357, 8051680, 8102640, 8206520, 8708960, 9144408, 9847824, 10668476, 11430510, 12077520, 12192544, 12309780, 13063440, 13335595, 14068320, 15240680, 16002714, 16205280, 16413040, 18288816, 19695648, 21336952, 22861020, 24155040, 24619560, 26126880, 26671190, 30481360, 32005428, 32826080, 36577632, 40006785, 42673904, 45722040, 49239120, 53342380, 60962720, 64010856, 80013570, 85347808, 91444080, 98478240, 106684760, 128021712, 160027140, 182888160, 213369520, 256043424, 320054280, 426739040, 640108560, 1280217120]

約数ペア:

[(1, 1280217120), (2, 640108560), (3, 426739040), (4, 320054280), (5, 256043424), (6, 213369520), (7, 182888160), (8, 160027140), (10, 128021712), (12, 106684760), (13, 98478240), (14, 91444080), (15, 85347808), (16, 80013570), (20, 64010856), (21, 60962720), (24, 53342380), (26, 49239120), (28, 45722040), (30, 42673904), (32, 40006785), (35, 36577632), (39, 32826080), (40, 32005428), (42, 30481360), (48, 26671190), (49, 26126880), (52, 24619560), (53, 24155040), (56, 22861020), (60, 21336952), (65, 19695648), (70, 18288816), (78, 16413040), (79, 16205280), (80, 16002714), (84, 15240680), (91, 14068320), (96, 13335595), (98, 13063440), (104, 12309780), (105, 12192544), (106, 12077520), (112, 11430510), (120, 10668476), (130, 9847824), (140, 9144408), (147, 8708960), (156, 8206520), (158, 8102640), (159, 8051680), (160, 8001357), (168, 7620340), (182, 7034160), (195, 6565216), (196, 6531720), (208, 6154890), (210, 6096272), (212, 6038760), (224, 5715255), (237, 5401760), (240, 5334238), (245, 5225376), (260, 4923912), (265, 4831008), (273, 4689440), (280, 4572204), (294, 4354480), (312, 4103260), (316, 4051320), (318, 4025840), (336, 3810170), (364, 3517080), (371, 3450720), (390, 3282608), (392, 3265860), (395, 3241056), (416, 3077445), (420, 3048136), (424, 3019380), (455, 2813664), (474, 2700880), (480, 2667119), (490, 2612688), (520, 2461956), (530, 2415504), (546, 2344720), (553, 2315040), (560, 2286102), (588, 2177240), (624, 2051630), (632, 2025660), (636, 2012920), (637, 2009760), (672, 1905085), (689, 1858080), (728, 1758540), (735, 1741792), (742, 1725360), (780, 1641304), (784, 1632930), (790, 1620528), (795, 1610336), (840, 1524068), (848, 1509690), (910, 1406832), (948, 1350440), (980, 1306344), (1027, 1246560), (1040, 1230978), (1060, 1207752), (1092, 1172360), (1106, 1157520), (1113, 1150240), (1120, 1143051), (1176, 1088620), (1185, 1080352), (1248, 1025815), (1264, 1012830), (1272, 1006460), (1274, 1004880), (1365, 937888), (1378, 929040), (1456, 879270), (1470, 870896), (1484, 862680), (1560, 820652), (1568, 816465), (1580, 810264), (1590, 805168), (1659, 771680), (1680, 762034), (1696, 754845), (1820, 703416), (1855, 690144), (1896, 675220), (1911, 669920), (1960, 653172), (2054, 623280), (2067, 619360), (2080, 615489), (2120, 603876), (2184, 586180), (2212, 578760), (2226, 575120), (2352, 544310), (2370, 540176), (2528, 506415), (2544, 503230), (2548, 502440), (2597, 492960), (2730, 468944), (2756, 464520), (2765, 463008), (2912, 439635), (2940, 435448), (2968, 431340), (3081, 415520), (3120, 410326), (3160, 405132), (3180, 402584), (3185, 401952), (3318, 385840), (3360, 381017), (3445, 371616), (3640, 351708), (3710, 345072), (3792, 337610), (3822, 334960), (3871, 330720), (3920, 326586), (4108, 311640), (4134, 309680), (4187, 305760), (4240, 301938), (4368, 293090), (4424, 289380), (4452, 287560), (4704, 272155), (4740, 270088), (4823, 265440), (5088, 251615), (5096, 251220), (5135, 249312), (5194, 246480), (5460, 234472), (5512, 232260), (5530, 231504), (5565, 230048), (5880, 217724), (5936, 215670), (6162, 207760), (6240, 205163), (6320, 202566), (6360, 201292), (6370, 200976), (6636, 192920), (6890, 185808), (7189, 178080), (7280, 175854), (7420, 172536), (7584, 168805), (7644, 167480), (7742, 165360), (7791, 164320), (7840, 163293), (8216, 155820), (8268, 154840), (8295, 154336), (8374, 152880), (8480, 150969), (8736, 146545), (8848, 144690), (8904, 143780), (9480, 135044), (9555, 133984), (9646, 132720), (10192, 125610), (10270, 124656), (10335, 123872), (10388, 123240), (10920, 117236), (11024, 116130), (11060, 115752), (11130, 115024), (11613, 110240), (11760, 108862), (11872, 107835), (12324, 103880), (12561, 101920), (12640, 101283), (12720, 100646), (12740, 100488), (12985, 98592), (13272, 96460), (13780, 92904), (14378, 89040), (14469, 88480), (14560, 87927), (14840, 86268), (15288, 83740), (15405, 83104), (15484, 82680), (15582, 82160), (16432, 77910), (16536, 77420), (16590, 77168), (16748, 76440), (17696, 72345), (17808, 71890), (18960, 67522), (19110, 66992), (19292, 66360), (19355, 66144), (20384, 62805), (20540, 62328), (20670, 61936), (20776, 61620), (20935, 61152), (21567, 59360), (21840, 58618), (22048, 58065), (22120, 57876), (22260, 57512), (23226, 55120), (23520, 54431), (24115, 53088), (24648, 51940), (25122, 50960), (25440, 50323), (25480, 50244), (25970, 49296), (26544, 48230), (27560, 46452), (28756, 44520), (28938, 44240), (29309, 43680), (29680, 43134), (30576, 41870), (30810, 41552), (30968, 41340), (31164, 41080), (32864, 38955), (33072, 38710), (33180, 38584), (33496, 38220), (33761, 37920), (35616, 35945)]