329728360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2411}}^1$

素因数の和:2698

約数の個数: 64

約数和(自身を含む): 802327680

約数和(自身を除く): 472599320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 520, 526, 1052, 1315, 2104, 2411, 2630, 3419, 4822, 5260, 6838, 9644, 10520, 12055, 13676, 17095, 19288, 24110, 27352, 31343, 34190, 48220, 62686, 68380, 96440, 125372, 136760, 156715, 250744, 313430, 626860, 634093, 1253720, 1268186, 2536372, 3170465, 5072744, 6340930, 8243209, 12681860, 16486418, 25363720, 32972836, 41216045, 65945672, 82432090, 164864180, 329728360]

約数ペア:

[(1, 329728360), (2, 164864180), (4, 82432090), (5, 65945672), (8, 41216045), (10, 32972836), (13, 25363720), (20, 16486418), (26, 12681860), (40, 8243209), (52, 6340930), (65, 5072744), (104, 3170465), (130, 2536372), (260, 1268186), (263, 1253720), (520, 634093), (526, 626860), (1052, 313430), (1315, 250744), (2104, 156715), (2411, 136760), (2630, 125372), (3419, 96440), (4822, 68380), (5260, 62686), (6838, 48220), (9644, 34190), (10520, 31343), (12055, 27352), (13676, 24110), (17095, 19288)]