640916640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 576

約数和(自身を含む): 2769451776

約数和(自身を除く): 2128535136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 67, 70, 72, 73, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 134, 140, 144, 146, 156, 160, 168, 180, 182, 195, 201, 208, 210, 219, 224, 234, 240, 252, 260, 268, 273, 280, 288, 292, 312, 315, 335, 336, 360, 364, 365, 390, 402, 416, 420, 438, 455, 468, 469, 480, 504, 511, 520, 536, 546, 560, 584, 585, 603, 624, 630, 657, 670, 672, 720, 728, 730, 780, 804, 819, 840, 871, 876, 910, 936, 938, 949, 1005, 1008, 1022, 1040, 1072, 1092, 1095, 1120, 1168, 1170, 1206, 1248, 1260, 1314, 1340, 1365, 1407, 1440, 1456, 1460, 1533, 1560, 1608, 1638, 1680, 1742, 1752, 1820, 1872, 1876, 1898, 2010, 2016, 2044, 2080, 2144, 2184, 2190, 2336, 2340, 2345, 2412, 2520, 2555, 2613, 2628, 2680, 2730, 2814, 2847, 2912, 2920, 3015, 3066, 3120, 3216, 3276, 3285, 3360, 3484, 3504, 3640, 3744, 3752, 3796, 4020, 4088, 4095, 4221, 4355, 4368, 4380, 4599, 4680, 4690, 4745, 4824, 4891, 5040, 5110, 5226, 5256, 5360, 5460, 5628, 5694, 5840, 6030, 6097, 6132, 6240, 6432, 6552, 6570, 6643, 6968, 7008, 7035, 7280, 7504, 7592, 7665, 7839, 8040, 8176, 8190, 8442, 8541, 8710, 8736, 8760, 9198, 9360, 9380, 9490, 9648, 9782, 10080, 10220, 10452, 10512, 10720, 10920, 11256, 11388, 11680, 12060, 12194, 12264, 13065, 13104, 13140, 13286, 13936, 14070, 14235, 14560, 14673, 15008, 15184, 15330, 15678, 16080, 16352, 16380, 16884, 17082, 17420, 17520, 18291, 18396, 18720, 18760, 18980, 19296, 19564, 19929, 20440, 20904, 21024, 21105, 21840, 22512, 22776, 22995, 24120, 24388, 24455, 24528, 26130, 26208, 26280, 26572, 27872, 28140, 28470, 29346, 30368, 30485, 30660, 31356, 32160, 32760, 33215, 33768, 34164, 34237, 34840, 35040, 36582, 36792, 37520, 37960, 39128, 39195, 39858, 40880, 41808, 42210, 42705, 43680, 44019, 45024, 45552, 45990, 48240, 48776, 48910, 49056, 52260, 52560, 53144, 54873, 56280, 56940, 58692, 59787, 60970, 61320, 62712, 63583, 65520, 66430, 67536, 68328, 68474, 69680, 73164, 73365, 73584, 75040, 75920, 78256, 78390, 79716, 81760, 83616, 84420, 85410, 88038, 91104, 91455, 91980, 96480, 97552, 97820, 99645, 102711, 104520, 105120, 106288, 109746, 112560, 113880, 117384, 119574, 121940, 122640, 125424, 127166, 131040, 132860, 135072, 136656, 136948, 139360, 146328, 146730, 147168, 151840, 156512, 156780, 159432, 168840, 170820, 171185, 176076, 182910, 183960, 190749, 195104, 195640, 199290, 205422, 209040, 212576, 219492, 220095, 225120, 227760, 234768, 239148, 243880, 245280, 250848, 254332, 265720, 273312, 273896, 274365, 292656, 293460, 298935, 308133, 313560, 317915, 318864, 337680, 341640, 342370, 352152, 365820, 367920, 381498, 391280, 398580, 410844, 418080, 438984, 440190, 445081, 455520, 469536, 478296, 487760, 508664, 513555, 531440, 547792, 548730, 572247, 585312, 586920, 597870, 616266, 627120, 635830, 637728, 675360, 683280, 684740, 704304, 731640, 735840, 762996, 782560, 797160, 821688, 877968, 880380, 890162, 953745, 956592, 975520, 1017328, 1027110, 1062880, 1095584, 1097460, 1144494, 1173840, 1195740, 1232532, 1254240, 1271660, 1335243, 1366560, 1369480, 1408608, 1463280, 1525992, 1540665, 1594320, 1643376, 1755936, 1760760, 1780324, 1907490, 1913184, 2034656, 2054220, 2194920, 2225405, 2288988, 2347680, 2391480, 2465064, 2543320, 2670486, 2738960, 2861235, 2926560, 3051984, 3081330, 3188640, 3286752, 3521520, 3560648, 3814980, 4005729, 4108440, 4389840, 4450810, 4577976, 4782960, 4930128, 5086640, 5340972, 5477920, 5722470, 6103968, 6162660, 6676215, 7043040, 7121296, 7629960, 8011458, 8216880, 8779680, 8901620, 9155952, 9565920, 9860256, 10173280, 10681944, 11444940, 12325320, 13352430, 14242592, 15259920, 16022916, 16433760, 17803240, 18311904, 20028645, 21363888, 22889880, 24650640, 26704860, 30519840, 32045832, 35606480, 40057290, 42727776, 45779760, 49301280, 53409720, 64091664, 71212960, 80114580, 91559520, 106819440, 128183328, 160229160, 213638880, 320458320, 640916640]

約数ペア:

[(1, 640916640), (2, 320458320), (3, 213638880), (4, 160229160), (5, 128183328), (6, 106819440), (7, 91559520), (8, 80114580), (9, 71212960), (10, 64091664), (12, 53409720), (13, 49301280), (14, 45779760), (15, 42727776), (16, 40057290), (18, 35606480), (20, 32045832), (21, 30519840), (24, 26704860), (26, 24650640), (28, 22889880), (30, 21363888), (32, 20028645), (35, 18311904), (36, 17803240), (39, 16433760), (40, 16022916), (42, 15259920), (45, 14242592), (48, 13352430), (52, 12325320), (56, 11444940), (60, 10681944), (63, 10173280), (65, 9860256), (67, 9565920), (70, 9155952), (72, 8901620), (73, 8779680), (78, 8216880), (80, 8011458), (84, 7629960), (90, 7121296), (91, 7043040), (96, 6676215), (104, 6162660), (105, 6103968), (112, 5722470), (117, 5477920), (120, 5340972), (126, 5086640), (130, 4930128), (134, 4782960), (140, 4577976), (144, 4450810), (146, 4389840), (156, 4108440), (160, 4005729), (168, 3814980), (180, 3560648), (182, 3521520), (195, 3286752), (201, 3188640), (208, 3081330), (210, 3051984), (219, 2926560), (224, 2861235), (234, 2738960), (240, 2670486), (252, 2543320), (260, 2465064), (268, 2391480), (273, 2347680), (280, 2288988), (288, 2225405), (292, 2194920), (312, 2054220), (315, 2034656), (335, 1913184), (336, 1907490), (360, 1780324), (364, 1760760), (365, 1755936), (390, 1643376), (402, 1594320), (416, 1540665), (420, 1525992), (438, 1463280), (455, 1408608), (468, 1369480), (469, 1366560), (480, 1335243), (504, 1271660), (511, 1254240), (520, 1232532), (536, 1195740), (546, 1173840), (560, 1144494), (584, 1097460), (585, 1095584), (603, 1062880), (624, 1027110), (630, 1017328), (657, 975520), (670, 956592), (672, 953745), (720, 890162), (728, 880380), (730, 877968), (780, 821688), (804, 797160), (819, 782560), (840, 762996), (871, 735840), (876, 731640), (910, 704304), (936, 684740), (938, 683280), (949, 675360), (1005, 637728), (1008, 635830), (1022, 627120), (1040, 616266), (1072, 597870), (1092, 586920), (1095, 585312), (1120, 572247), (1168, 548730), (1170, 547792), (1206, 531440), (1248, 513555), (1260, 508664), (1314, 487760), (1340, 478296), (1365, 469536), (1407, 455520), (1440, 445081), (1456, 440190), (1460, 438984), (1533, 418080), (1560, 410844), (1608, 398580), (1638, 391280), (1680, 381498), (1742, 367920), (1752, 365820), (1820, 352152), (1872, 342370), (1876, 341640), (1898, 337680), (2010, 318864), (2016, 317915), (2044, 313560), (2080, 308133), (2144, 298935), (2184, 293460), (2190, 292656), (2336, 274365), (2340, 273896), (2345, 273312), (2412, 265720), (2520, 254332), (2555, 250848), (2613, 245280), (2628, 243880), (2680, 239148), (2730, 234768), (2814, 227760), (2847, 225120), (2912, 220095), (2920, 219492), (3015, 212576), (3066, 209040), (3120, 205422), (3216, 199290), (3276, 195640), (3285, 195104), (3360, 190749), (3484, 183960), (3504, 182910), (3640, 176076), (3744, 171185), (3752, 170820), (3796, 168840), (4020, 159432), (4088, 156780), (4095, 156512), (4221, 151840), (4355, 147168), (4368, 146730), (4380, 146328), (4599, 139360), (4680, 136948), (4690, 136656), (4745, 135072), (4824, 132860), (4891, 131040), (5040, 127166), (5110, 125424), (5226, 122640), (5256, 121940), (5360, 119574), (5460, 117384), (5628, 113880), (5694, 112560), (5840, 109746), (6030, 106288), (6097, 105120), (6132, 104520), (6240, 102711), (6432, 99645), (6552, 97820), (6570, 97552), (6643, 96480), (6968, 91980), (7008, 91455), (7035, 91104), (7280, 88038), (7504, 85410), (7592, 84420), (7665, 83616), (7839, 81760), (8040, 79716), (8176, 78390), (8190, 78256), (8442, 75920), (8541, 75040), (8710, 73584), (8736, 73365), (8760, 73164), (9198, 69680), (9360, 68474), (9380, 68328), (9490, 67536), (9648, 66430), (9782, 65520), (10080, 63583), (10220, 62712), (10452, 61320), (10512, 60970), (10720, 59787), (10920, 58692), (11256, 56940), (11388, 56280), (11680, 54873), (12060, 53144), (12194, 52560), (12264, 52260), (13065, 49056), (13104, 48910), (13140, 48776), (13286, 48240), (13936, 45990), (14070, 45552), (14235, 45024), (14560, 44019), (14673, 43680), (15008, 42705), (15184, 42210), (15330, 41808), (15678, 40880), (16080, 39858), (16352, 39195), (16380, 39128), (16884, 37960), (17082, 37520), (17420, 36792), (17520, 36582), (18291, 35040), (18396, 34840), (18720, 34237), (18760, 34164), (18980, 33768), (19296, 33215), (19564, 32760), (19929, 32160), (20440, 31356), (20904, 30660), (21024, 30485), (21105, 30368), (21840, 29346), (22512, 28470), (22776, 28140), (22995, 27872), (24120, 26572), (24388, 26280), (24455, 26208), (24528, 26130)]