13458760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 35147520

約数和(自身を除く): 21688760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 677, 710, 994, 1354, 1420, 1988, 2485, 2708, 2840, 3385, 3976, 4739, 4970, 5416, 6770, 9478, 9940, 13540, 18956, 19880, 23695, 27080, 37912, 47390, 48067, 94780, 96134, 189560, 192268, 240335, 336469, 384536, 480670, 672938, 961340, 1345876, 1682345, 1922680, 2691752, 3364690, 6729380, 13458760]

約数ペア:

[(1, 13458760), (2, 6729380), (4, 3364690), (5, 2691752), (7, 1922680), (8, 1682345), (10, 1345876), (14, 961340), (20, 672938), (28, 480670), (35, 384536), (40, 336469), (56, 240335), (70, 192268), (71, 189560), (140, 96134), (142, 94780), (280, 48067), (284, 47390), (355, 37912), (497, 27080), (568, 23695), (677, 19880), (710, 18956), (994, 13540), (1354, 9940), (1420, 9478), (1988, 6770), (2485, 5416), (2708, 4970), (2840, 4739), (3385, 3976)]