90287960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7499}}^1$

素因数の和:7560

約数の個数: 64

約数和(自身を含む): 237600000

約数和(自身を除く): 147312040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 7499, 12040, 14998, 29996, 37495, 52493, 59992, 74990, 104986, 149980, 209972, 262465, 299960, 322457, 419944, 524930, 644914, 1049860, 1289828, 1612285, 2099720, 2257199, 2579656, 3224570, 4514398, 6449140, 9028796, 11285995, 12898280, 18057592, 22571990, 45143980, 90287960]

約数ペア:

[(1, 90287960), (2, 45143980), (4, 22571990), (5, 18057592), (7, 12898280), (8, 11285995), (10, 9028796), (14, 6449140), (20, 4514398), (28, 3224570), (35, 2579656), (40, 2257199), (43, 2099720), (56, 1612285), (70, 1289828), (86, 1049860), (140, 644914), (172, 524930), (215, 419944), (280, 322457), (301, 299960), (344, 262465), (430, 209972), (602, 149980), (860, 104986), (1204, 74990), (1505, 59992), (1720, 52493), (2408, 37495), (3010, 29996), (6020, 14998), (7499, 12040)]