18576880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{677}}^1$

素因数の和:711

約数の個数: 80

約数和(自身を含む): 50443200

約数和(自身を除く): 31866320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 677, 686, 784, 980, 1354, 1372, 1715, 1960, 2708, 2744, 3385, 3430, 3920, 4739, 5416, 5488, 6770, 6860, 9478, 10832, 13540, 13720, 18956, 23695, 27080, 27440, 33173, 37912, 47390, 54160, 66346, 75824, 94780, 132692, 165865, 189560, 232211, 265384, 331730, 379120, 464422, 530768, 663460, 928844, 1161055, 1326920, 1857688, 2322110, 2653840, 3715376, 4644220, 9288440, 18576880]

約数ペア:

[(1, 18576880), (2, 9288440), (4, 4644220), (5, 3715376), (7, 2653840), (8, 2322110), (10, 1857688), (14, 1326920), (16, 1161055), (20, 928844), (28, 663460), (35, 530768), (40, 464422), (49, 379120), (56, 331730), (70, 265384), (80, 232211), (98, 189560), (112, 165865), (140, 132692), (196, 94780), (245, 75824), (280, 66346), (343, 54160), (392, 47390), (490, 37912), (560, 33173), (677, 27440), (686, 27080), (784, 23695), (980, 18956), (1354, 13720), (1372, 13540), (1715, 10832), (1960, 9478), (2708, 6860), (2744, 6770), (3385, 5488), (3430, 5416), (3920, 4739)]