1655995120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{54907}}^1$

素因数の和:54962

約数の個数: 80

約数和(自身を含む): 4289412960

約数和(自身を除く): 2633417840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 6032, 7540, 15080, 30160, 54907, 109814, 219628, 274535, 439256, 549070, 713791, 878512, 1098140, 1427582, 1592303, 2196280, 2855164, 3184606, 3568955, 4392560, 5710328, 6369212, 7137910, 7961515, 11420656, 12738424, 14275820, 15923030, 20699939, 25476848, 28551640, 31846060, 41399878, 57103280, 63692120, 82799756, 103499695, 127384240, 165599512, 206999390, 331199024, 413998780, 827997560, 1655995120]

約数ペア:

[(1, 1655995120), (2, 827997560), (4, 413998780), (5, 331199024), (8, 206999390), (10, 165599512), (13, 127384240), (16, 103499695), (20, 82799756), (26, 63692120), (29, 57103280), (40, 41399878), (52, 31846060), (58, 28551640), (65, 25476848), (80, 20699939), (104, 15923030), (116, 14275820), (130, 12738424), (145, 11420656), (208, 7961515), (232, 7137910), (260, 6369212), (290, 5710328), (377, 4392560), (464, 3568955), (520, 3184606), (580, 2855164), (754, 2196280), (1040, 1592303), (1160, 1427582), (1508, 1098140), (1885, 878512), (2320, 713791), (3016, 549070), (3770, 439256), (6032, 274535), (7540, 219628), (15080, 109814), (30160, 54907)]