8928180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 27328392

約数和(自身を除く): 18400212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 257, 386, 514, 579, 771, 772, 965, 1028, 1158, 1285, 1542, 1737, 1930, 2313, 2316, 2570, 2895, 3084, 3474, 3855, 3860, 4626, 5140, 5790, 6948, 7710, 8685, 9252, 11565, 11580, 15420, 17370, 23130, 34740, 46260, 49601, 99202, 148803, 198404, 248005, 297606, 446409, 496010, 595212, 744015, 892818, 992020, 1488030, 1785636, 2232045, 2976060, 4464090, 8928180]

約数ペア:

[(1, 8928180), (2, 4464090), (3, 2976060), (4, 2232045), (5, 1785636), (6, 1488030), (9, 992020), (10, 892818), (12, 744015), (15, 595212), (18, 496010), (20, 446409), (30, 297606), (36, 248005), (45, 198404), (60, 148803), (90, 99202), (180, 49601), (193, 46260), (257, 34740), (386, 23130), (514, 17370), (579, 15420), (771, 11580), (772, 11565), (965, 9252), (1028, 8685), (1158, 7710), (1285, 6948), (1542, 5790), (1737, 5140), (1930, 4626), (2313, 3860), (2316, 3855), (2570, 3474), (2895, 3084)]