155655920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1163}}^1$

素因数の和:1422

約数の個数: 80

約数和(自身を含む): 415687680

約数和(自身を除く): 260031760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1163, 1195, 1673, 1912, 2326, 2390, 3346, 3824, 4652, 4780, 5815, 6692, 8141, 8365, 9304, 9560, 11630, 13384, 16282, 16730, 18608, 19120, 23260, 26768, 32564, 33460, 40705, 46520, 65128, 66920, 81410, 93040, 130256, 133840, 162820, 277957, 325640, 555914, 651280, 1111828, 1389785, 1945699, 2223656, 2779570, 3891398, 4447312, 5559140, 7782796, 9728495, 11118280, 15565592, 19456990, 22236560, 31131184, 38913980, 77827960, 155655920]

約数ペア:

[(1, 155655920), (2, 77827960), (4, 38913980), (5, 31131184), (7, 22236560), (8, 19456990), (10, 15565592), (14, 11118280), (16, 9728495), (20, 7782796), (28, 5559140), (35, 4447312), (40, 3891398), (56, 2779570), (70, 2223656), (80, 1945699), (112, 1389785), (140, 1111828), (239, 651280), (280, 555914), (478, 325640), (560, 277957), (956, 162820), (1163, 133840), (1195, 130256), (1673, 93040), (1912, 81410), (2326, 66920), (2390, 65128), (3346, 46520), (3824, 40705), (4652, 33460), (4780, 32564), (5815, 26768), (6692, 23260), (8141, 19120), (8365, 18608), (9304, 16730), (9560, 16282), (11630, 13384)]