256417812

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 771813504

約数和(自身を除く): 515395692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 167, 189, 252, 324, 334, 378, 501, 567, 668, 677, 756, 1002, 1134, 1169, 1354, 1503, 2004, 2031, 2268, 2338, 2708, 3006, 3507, 4062, 4509, 4676, 4739, 6012, 6093, 7014, 8124, 9018, 9478, 10521, 12186, 13527, 14028, 14217, 18036, 18279, 18956, 21042, 24372, 27054, 28434, 31563, 36558, 42084, 42651, 54108, 54837, 56868, 63126, 73116, 85302, 94689, 109674, 113059, 126252, 127953, 170604, 189378, 219348, 226118, 255906, 339177, 378756, 383859, 452236, 511812, 678354, 767718, 791413, 1017531, 1356708, 1535436, 1582826, 2035062, 2374239, 3052593, 3165652, 4070124, 4748478, 6105186, 7122717, 9157779, 9496956, 12210372, 14245434, 18315558, 21368151, 28490868, 36631116, 42736302, 64104453, 85472604, 128208906, 256417812]

約数ペア:

[(1, 256417812), (2, 128208906), (3, 85472604), (4, 64104453), (6, 42736302), (7, 36631116), (9, 28490868), (12, 21368151), (14, 18315558), (18, 14245434), (21, 12210372), (27, 9496956), (28, 9157779), (36, 7122717), (42, 6105186), (54, 4748478), (63, 4070124), (81, 3165652), (84, 3052593), (108, 2374239), (126, 2035062), (162, 1582826), (167, 1535436), (189, 1356708), (252, 1017531), (324, 791413), (334, 767718), (378, 678354), (501, 511812), (567, 452236), (668, 383859), (677, 378756), (756, 339177), (1002, 255906), (1134, 226118), (1169, 219348), (1354, 189378), (1503, 170604), (2004, 127953), (2031, 126252), (2268, 113059), (2338, 109674), (2708, 94689), (3006, 85302), (3507, 73116), (4062, 63126), (4509, 56868), (4676, 54837), (4739, 54108), (6012, 42651), (6093, 42084), (7014, 36558), (8124, 31563), (9018, 28434), (9478, 27054), (10521, 24372), (12186, 21042), (13527, 18956), (14028, 18279), (14217, 18036)]