627422640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 240

約数和(自身を含む): 2178432000

約数和(自身を除く): 1551009360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 169, 186, 195, 208, 240, 248, 260, 310, 312, 338, 372, 390, 403, 465, 496, 499, 507, 520, 620, 624, 676, 744, 780, 806, 845, 930, 998, 1014, 1040, 1209, 1240, 1352, 1488, 1497, 1560, 1612, 1690, 1860, 1996, 2015, 2028, 2418, 2480, 2495, 2535, 2704, 2994, 3120, 3224, 3380, 3720, 3992, 4030, 4056, 4836, 4990, 5070, 5239, 5988, 6045, 6448, 6487, 6760, 7440, 7485, 7984, 8060, 8112, 9672, 9980, 10140, 10478, 11976, 12090, 12974, 13520, 14970, 15469, 15717, 16120, 19344, 19461, 19960, 20280, 20956, 23952, 24180, 25948, 26195, 29940, 30938, 31434, 32240, 32435, 38922, 39920, 40560, 41912, 46407, 48360, 51896, 52390, 59880, 61876, 62868, 64870, 77345, 77844, 78585, 83824, 84331, 92814, 96720, 97305, 103792, 104780, 119760, 123752, 125736, 129740, 154690, 155688, 157170, 168662, 185628, 194610, 201097, 209560, 232035, 247504, 251472, 252993, 259480, 309380, 311376, 314340, 337324, 371256, 389220, 402194, 419120, 421655, 464070, 505986, 518960, 603291, 618760, 628680, 674648, 742512, 778440, 804388, 843310, 928140, 1005485, 1011972, 1206582, 1237520, 1257360, 1264965, 1349296, 1556880, 1608776, 1686620, 1856280, 2010970, 2023944, 2413164, 2529930, 2614261, 3016455, 3217552, 3373240, 3712560, 4021940, 4047888, 4826328, 5059860, 5228522, 6032910, 6746480, 7842783, 8043880, 9652656, 10119720, 10457044, 12065820, 13071305, 15685566, 16087760, 20239440, 20914088, 24131640, 26142610, 31371132, 39213915, 41828176, 48263280, 52285220, 62742264, 78427830, 104570440, 125484528, 156855660, 209140880, 313711320, 627422640]

約数ペア:

[(1, 627422640), (2, 313711320), (3, 209140880), (4, 156855660), (5, 125484528), (6, 104570440), (8, 78427830), (10, 62742264), (12, 52285220), (13, 48263280), (15, 41828176), (16, 39213915), (20, 31371132), (24, 26142610), (26, 24131640), (30, 20914088), (31, 20239440), (39, 16087760), (40, 15685566), (48, 13071305), (52, 12065820), (60, 10457044), (62, 10119720), (65, 9652656), (78, 8043880), (80, 7842783), (93, 6746480), (104, 6032910), (120, 5228522), (124, 5059860), (130, 4826328), (155, 4047888), (156, 4021940), (169, 3712560), (186, 3373240), (195, 3217552), (208, 3016455), (240, 2614261), (248, 2529930), (260, 2413164), (310, 2023944), (312, 2010970), (338, 1856280), (372, 1686620), (390, 1608776), (403, 1556880), (465, 1349296), (496, 1264965), (499, 1257360), (507, 1237520), (520, 1206582), (620, 1011972), (624, 1005485), (676, 928140), (744, 843310), (780, 804388), (806, 778440), (845, 742512), (930, 674648), (998, 628680), (1014, 618760), (1040, 603291), (1209, 518960), (1240, 505986), (1352, 464070), (1488, 421655), (1497, 419120), (1560, 402194), (1612, 389220), (1690, 371256), (1860, 337324), (1996, 314340), (2015, 311376), (2028, 309380), (2418, 259480), (2480, 252993), (2495, 251472), (2535, 247504), (2704, 232035), (2994, 209560), (3120, 201097), (3224, 194610), (3380, 185628), (3720, 168662), (3992, 157170), (4030, 155688), (4056, 154690), (4836, 129740), (4990, 125736), (5070, 123752), (5239, 119760), (5988, 104780), (6045, 103792), (6448, 97305), (6487, 96720), (6760, 92814), (7440, 84331), (7485, 83824), (7984, 78585), (8060, 77844), (8112, 77345), (9672, 64870), (9980, 62868), (10140, 61876), (10478, 59880), (11976, 52390), (12090, 51896), (12974, 48360), (13520, 46407), (14970, 41912), (15469, 40560), (15717, 39920), (16120, 38922), (19344, 32435), (19461, 32240), (19960, 31434), (20280, 30938), (20956, 29940), (23952, 26195), (24180, 25948)]