220876080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3581}}^1$

素因数の和:3854

約数の個数: 80

約数和(自身を含む): 687572064

約数和(自身を除く): 466695984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3581, 3855, 4112, 5140, 6168, 7162, 7710, 10280, 10743, 12336, 14324, 15420, 17905, 20560, 21486, 28648, 30840, 35810, 42972, 53715, 57296, 61680, 71620, 85944, 107430, 143240, 171888, 214860, 286480, 429720, 859440, 920317, 1840634, 2760951, 3681268, 4601585, 5521902, 7362536, 9203170, 11043804, 13804755, 14725072, 18406340, 22087608, 27609510, 36812680, 44175216, 55219020, 73625360, 110438040, 220876080]

約数ペア:

[(1, 220876080), (2, 110438040), (3, 73625360), (4, 55219020), (5, 44175216), (6, 36812680), (8, 27609510), (10, 22087608), (12, 18406340), (15, 14725072), (16, 13804755), (20, 11043804), (24, 9203170), (30, 7362536), (40, 5521902), (48, 4601585), (60, 3681268), (80, 2760951), (120, 1840634), (240, 920317), (257, 859440), (514, 429720), (771, 286480), (1028, 214860), (1285, 171888), (1542, 143240), (2056, 107430), (2570, 85944), (3084, 71620), (3581, 61680), (3855, 57296), (4112, 53715), (5140, 42972), (6168, 35810), (7162, 30840), (7710, 28648), (10280, 21486), (10743, 20560), (12336, 17905), (14324, 15420)]