255811920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 480

約数和(自身を含む): 1058717952

約数和(自身を除く): 802906032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 48, 51, 52, 53, 56, 60, 65, 68, 70, 78, 80, 84, 85, 91, 102, 104, 105, 106, 112, 119, 120, 130, 136, 140, 156, 159, 168, 169, 170, 182, 195, 204, 208, 210, 212, 221, 238, 240, 255, 260, 265, 272, 273, 280, 312, 318, 336, 338, 340, 357, 364, 371, 390, 408, 420, 424, 442, 455, 476, 507, 510, 520, 530, 546, 560, 595, 624, 636, 663, 676, 680, 689, 714, 728, 742, 780, 795, 816, 840, 845, 848, 884, 901, 910, 952, 1014, 1020, 1040, 1060, 1092, 1105, 1113, 1183, 1190, 1272, 1326, 1352, 1360, 1365, 1378, 1428, 1456, 1484, 1547, 1560, 1590, 1680, 1690, 1768, 1785, 1802, 1820, 1855, 1904, 2028, 2040, 2067, 2120, 2184, 2210, 2226, 2366, 2380, 2535, 2544, 2652, 2703, 2704, 2730, 2756, 2856, 2873, 2968, 3094, 3120, 3180, 3315, 3380, 3445, 3536, 3549, 3570, 3604, 3640, 3710, 4056, 4080, 4134, 4240, 4368, 4420, 4452, 4505, 4641, 4732, 4760, 4823, 5070, 5304, 5406, 5460, 5512, 5565, 5712, 5746, 5915, 5936, 6188, 6307, 6360, 6630, 6760, 6890, 7098, 7140, 7208, 7280, 7420, 7735, 8112, 8268, 8619, 8840, 8904, 8957, 9010, 9282, 9464, 9520, 9646, 10140, 10335, 10608, 10812, 10920, 11024, 11130, 11492, 11713, 11830, 12376, 12614, 12720, 13260, 13515, 13520, 13780, 14196, 14280, 14365, 14416, 14469, 14840, 15470, 16536, 17238, 17680, 17745, 17808, 17914, 18020, 18564, 18921, 18928, 19292, 20111, 20280, 20670, 21624, 21840, 22260, 22984, 23205, 23426, 23660, 24115, 24752, 25228, 26520, 26871, 27030, 27560, 28392, 28560, 28730, 28938, 29680, 30940, 31535, 33072, 34476, 35139, 35490, 35828, 36040, 37128, 37842, 38584, 40222, 40560, 41340, 43095, 43248, 44520, 44785, 45968, 46410, 46852, 47320, 48230, 50456, 53040, 53742, 54060, 55120, 56784, 57460, 57876, 58565, 60333, 61880, 62699, 63070, 68952, 70278, 70980, 71656, 72080, 72345, 74256, 75684, 77168, 80444, 81991, 82680, 86190, 89040, 89570, 92820, 93704, 94605, 94640, 96460, 100555, 100912, 107484, 108120, 114920, 115752, 117130, 120666, 123760, 125398, 126140, 134355, 137904, 140556, 141960, 143312, 144690, 151368, 152269, 160888, 163982, 165360, 172380, 175695, 179140, 185640, 187408, 188097, 189210, 192920, 201110, 214968, 216240, 229840, 231504, 234260, 241332, 245973, 250796, 252280, 268710, 281112, 283920, 289380, 301665, 302736, 304538, 313495, 321776, 327964, 344760, 351390, 358280, 371280, 376194, 378420, 385840, 402220, 409955, 429936, 456807, 468520, 482664, 491946, 501592, 504560, 537420, 562224, 578760, 603330, 609076, 626990, 655928, 689520, 702780, 716560, 752388, 756840, 761345, 804440, 819910, 913614, 937040, 940485, 965328, 983892, 1003184, 1065883, 1074840, 1157520, 1206660, 1218152, 1229865, 1253980, 1311856, 1405560, 1504776, 1513680, 1522690, 1608880, 1639820, 1827228, 1880970, 1967784, 2131766, 2149680, 2284035, 2413320, 2436304, 2459730, 2507960, 2811120, 3009552, 3045380, 3197649, 3279640, 3654456, 3761940, 3935568, 4263532, 4568070, 4826640, 4919460, 5015920, 5329415, 6090760, 6395298, 6559280, 7308912, 7523880, 8527064, 9136140, 9838920, 10658830, 12181520, 12790596, 15047760, 15988245, 17054128, 18272280, 19677840, 21317660, 25581192, 31976490, 36544560, 42635320, 51162384, 63952980, 85270640, 127905960, 255811920]

約数ペア:

[(1, 255811920), (2, 127905960), (3, 85270640), (4, 63952980), (5, 51162384), (6, 42635320), (7, 36544560), (8, 31976490), (10, 25581192), (12, 21317660), (13, 19677840), (14, 18272280), (15, 17054128), (16, 15988245), (17, 15047760), (20, 12790596), (21, 12181520), (24, 10658830), (26, 9838920), (28, 9136140), (30, 8527064), (34, 7523880), (35, 7308912), (39, 6559280), (40, 6395298), (42, 6090760), (48, 5329415), (51, 5015920), (52, 4919460), (53, 4826640), (56, 4568070), (60, 4263532), (65, 3935568), (68, 3761940), (70, 3654456), (78, 3279640), (80, 3197649), (84, 3045380), (85, 3009552), (91, 2811120), (102, 2507960), (104, 2459730), (105, 2436304), (106, 2413320), (112, 2284035), (119, 2149680), (120, 2131766), (130, 1967784), (136, 1880970), (140, 1827228), (156, 1639820), (159, 1608880), (168, 1522690), (169, 1513680), (170, 1504776), (182, 1405560), (195, 1311856), (204, 1253980), (208, 1229865), (210, 1218152), (212, 1206660), (221, 1157520), (238, 1074840), (240, 1065883), (255, 1003184), (260, 983892), (265, 965328), (272, 940485), (273, 937040), (280, 913614), (312, 819910), (318, 804440), (336, 761345), (338, 756840), (340, 752388), (357, 716560), (364, 702780), (371, 689520), (390, 655928), (408, 626990), (420, 609076), (424, 603330), (442, 578760), (455, 562224), (476, 537420), (507, 504560), (510, 501592), (520, 491946), (530, 482664), (546, 468520), (560, 456807), (595, 429936), (624, 409955), (636, 402220), (663, 385840), (676, 378420), (680, 376194), (689, 371280), (714, 358280), (728, 351390), (742, 344760), (780, 327964), (795, 321776), (816, 313495), (840, 304538), (845, 302736), (848, 301665), (884, 289380), (901, 283920), (910, 281112), (952, 268710), (1014, 252280), (1020, 250796), (1040, 245973), (1060, 241332), (1092, 234260), (1105, 231504), (1113, 229840), (1183, 216240), (1190, 214968), (1272, 201110), (1326, 192920), (1352, 189210), (1360, 188097), (1365, 187408), (1378, 185640), (1428, 179140), (1456, 175695), (1484, 172380), (1547, 165360), (1560, 163982), (1590, 160888), (1680, 152269), (1690, 151368), (1768, 144690), (1785, 143312), (1802, 141960), (1820, 140556), (1855, 137904), (1904, 134355), (2028, 126140), (2040, 125398), (2067, 123760), (2120, 120666), (2184, 117130), (2210, 115752), (2226, 114920), (2366, 108120), (2380, 107484), (2535, 100912), (2544, 100555), (2652, 96460), (2703, 94640), (2704, 94605), (2730, 93704), (2756, 92820), (2856, 89570), (2873, 89040), (2968, 86190), (3094, 82680), (3120, 81991), (3180, 80444), (3315, 77168), (3380, 75684), (3445, 74256), (3536, 72345), (3549, 72080), (3570, 71656), (3604, 70980), (3640, 70278), (3710, 68952), (4056, 63070), (4080, 62699), (4134, 61880), (4240, 60333), (4368, 58565), (4420, 57876), (4452, 57460), (4505, 56784), (4641, 55120), (4732, 54060), (4760, 53742), (4823, 53040), (5070, 50456), (5304, 48230), (5406, 47320), (5460, 46852), (5512, 46410), (5565, 45968), (5712, 44785), (5746, 44520), (5915, 43248), (5936, 43095), (6188, 41340), (6307, 40560), (6360, 40222), (6630, 38584), (6760, 37842), (6890, 37128), (7098, 36040), (7140, 35828), (7208, 35490), (7280, 35139), (7420, 34476), (7735, 33072), (8112, 31535), (8268, 30940), (8619, 29680), (8840, 28938), (8904, 28730), (8957, 28560), (9010, 28392), (9282, 27560), (9464, 27030), (9520, 26871), (9646, 26520), (10140, 25228), (10335, 24752), (10608, 24115), (10812, 23660), (10920, 23426), (11024, 23205), (11130, 22984), (11492, 22260), (11713, 21840), (11830, 21624), (12376, 20670), (12614, 20280), (12720, 20111), (13260, 19292), (13515, 18928), (13520, 18921), (13780, 18564), (14196, 18020), (14280, 17914), (14365, 17808), (14416, 17745), (14469, 17680), (14840, 17238), (15470, 16536)]