1980105720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 6011712000

約数和(自身を除く): 4031606280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 283, 293, 398, 566, 586, 597, 796, 849, 879, 995, 1132, 1172, 1194, 1415, 1465, 1592, 1698, 1758, 1990, 2264, 2344, 2388, 2830, 2930, 2985, 3396, 3516, 3980, 4245, 4395, 4776, 5660, 5860, 5970, 6792, 7032, 7960, 8490, 8790, 11320, 11720, 11940, 16980, 17580, 23880, 33960, 35160, 56317, 58307, 82919, 112634, 116614, 165838, 168951, 174921, 225268, 233228, 248757, 281585, 291535, 331676, 337902, 349842, 414595, 450536, 466456, 497514, 563170, 583070, 663352, 675804, 699684, 829190, 844755, 874605, 995028, 1126340, 1166140, 1243785, 1351608, 1399368, 1658380, 1689510, 1749210, 1990056, 2252680, 2332280, 2487570, 3316760, 3379020, 3498420, 4975140, 6758040, 6996840, 9950280, 16500881, 33001762, 49502643, 66003524, 82504405, 99005286, 132007048, 165008810, 198010572, 247513215, 330017620, 396021144, 495026430, 660035240, 990052860, 1980105720]

約数ペア:

[(1, 1980105720), (2, 990052860), (3, 660035240), (4, 495026430), (5, 396021144), (6, 330017620), (8, 247513215), (10, 198010572), (12, 165008810), (15, 132007048), (20, 99005286), (24, 82504405), (30, 66003524), (40, 49502643), (60, 33001762), (120, 16500881), (199, 9950280), (283, 6996840), (293, 6758040), (398, 4975140), (566, 3498420), (586, 3379020), (597, 3316760), (796, 2487570), (849, 2332280), (879, 2252680), (995, 1990056), (1132, 1749210), (1172, 1689510), (1194, 1658380), (1415, 1399368), (1465, 1351608), (1592, 1243785), (1698, 1166140), (1758, 1126340), (1990, 995028), (2264, 874605), (2344, 844755), (2388, 829190), (2830, 699684), (2930, 675804), (2985, 663352), (3396, 583070), (3516, 563170), (3980, 497514), (4245, 466456), (4395, 450536), (4776, 414595), (5660, 349842), (5860, 337902), (5970, 331676), (6792, 291535), (7032, 281585), (7960, 248757), (8490, 233228), (8790, 225268), (11320, 174921), (11720, 168951), (11940, 165838), (16980, 116614), (17580, 112634), (23880, 82919), (33960, 58307), (35160, 56317)]