280965720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6311}}^1$

素因数の和:6385

約数の個数: 128

約数和(自身を含む): 981642240

約数和(自身を除く): 700676520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6311, 6360, 7420, 8904, 11130, 12622, 14840, 18933, 22260, 25244, 31555, 37866, 44177, 44520, 50488, 63110, 75732, 88354, 94665, 126220, 132531, 151464, 176708, 189330, 220885, 252440, 265062, 334483, 353416, 378660, 441770, 530124, 662655, 668966, 757320, 883540, 1003449, 1060248, 1325310, 1337932, 1672415, 1767080, 2006898, 2341381, 2650620, 2675864, 3344830, 4013796, 4682762, 5017245, 5301240, 6689660, 7024143, 8027592, 9365524, 10034490, 11706905, 13379320, 14048286, 18731048, 20068980, 23413810, 28096572, 35120715, 40137960, 46827620, 56193144, 70241430, 93655240, 140482860, 280965720]

約数ペア:

[(1, 280965720), (2, 140482860), (3, 93655240), (4, 70241430), (5, 56193144), (6, 46827620), (7, 40137960), (8, 35120715), (10, 28096572), (12, 23413810), (14, 20068980), (15, 18731048), (20, 14048286), (21, 13379320), (24, 11706905), (28, 10034490), (30, 9365524), (35, 8027592), (40, 7024143), (42, 6689660), (53, 5301240), (56, 5017245), (60, 4682762), (70, 4013796), (84, 3344830), (105, 2675864), (106, 2650620), (120, 2341381), (140, 2006898), (159, 1767080), (168, 1672415), (210, 1337932), (212, 1325310), (265, 1060248), (280, 1003449), (318, 883540), (371, 757320), (420, 668966), (424, 662655), (530, 530124), (636, 441770), (742, 378660), (795, 353416), (840, 334483), (1060, 265062), (1113, 252440), (1272, 220885), (1484, 189330), (1590, 176708), (1855, 151464), (2120, 132531), (2226, 126220), (2968, 94665), (3180, 88354), (3710, 75732), (4452, 63110), (5565, 50488), (6311, 44520), (6360, 44177), (7420, 37866), (8904, 31555), (11130, 25244), (12622, 22260), (14840, 18933)]