329942720

素因数分解:

$2^6\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1523}}^1$

素因数の和:2217

約数の個数: 56

約数和(自身を含む): 787353264

約数和(自身を除く): 457410544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 677, 1354, 1523, 2708, 3046, 3385, 5416, 6092, 6770, 7615, 10832, 12184, 13540, 15230, 21664, 24368, 27080, 30460, 43328, 48736, 54160, 60920, 97472, 108320, 121840, 216640, 243680, 487360, 1031071, 2062142, 4124284, 5155355, 8248568, 10310710, 16497136, 20621420, 32994272, 41242840, 65988544, 82485680, 164971360, 329942720]

約数ペア:

[(1, 329942720), (2, 164971360), (4, 82485680), (5, 65988544), (8, 41242840), (10, 32994272), (16, 20621420), (20, 16497136), (32, 10310710), (40, 8248568), (64, 5155355), (80, 4124284), (160, 2062142), (320, 1031071), (677, 487360), (1354, 243680), (1523, 216640), (2708, 121840), (3046, 108320), (3385, 97472), (5416, 60920), (6092, 54160), (6770, 48736), (7615, 43328), (10832, 30460), (12184, 27080), (13540, 24368), (15230, 21664)]