100207920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1747}}^1$

素因数の和:2002

約数の個数: 80

約数和(自身を含む): 312122880

約数和(自身を除く): 211914960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1747, 1912, 2390, 2868, 3494, 3585, 3824, 4780, 5241, 5736, 6988, 7170, 8735, 9560, 10482, 11472, 13976, 14340, 17470, 19120, 20964, 26205, 27952, 28680, 34940, 41928, 52410, 57360, 69880, 83856, 104820, 139760, 209640, 417533, 419280, 835066, 1252599, 1670132, 2087665, 2505198, 3340264, 4175330, 5010396, 6262995, 6680528, 8350660, 10020792, 12525990, 16701320, 20041584, 25051980, 33402640, 50103960, 100207920]

約数ペア:

[(1, 100207920), (2, 50103960), (3, 33402640), (4, 25051980), (5, 20041584), (6, 16701320), (8, 12525990), (10, 10020792), (12, 8350660), (15, 6680528), (16, 6262995), (20, 5010396), (24, 4175330), (30, 3340264), (40, 2505198), (48, 2087665), (60, 1670132), (80, 1252599), (120, 835066), (239, 419280), (240, 417533), (478, 209640), (717, 139760), (956, 104820), (1195, 83856), (1434, 69880), (1747, 57360), (1912, 52410), (2390, 41928), (2868, 34940), (3494, 28680), (3585, 27952), (3824, 26205), (4780, 20964), (5241, 19120), (5736, 17470), (6988, 14340), (7170, 13976), (8735, 11472), (9560, 10482)]