54138280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{809}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 139968000

約数和(自身を除く): 85829720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 809, 956, 1195, 1618, 1673, 1912, 2390, 3236, 3346, 4045, 4780, 5663, 6472, 6692, 8090, 8365, 9560, 11326, 13384, 16180, 16730, 22652, 28315, 32360, 33460, 45304, 56630, 66920, 113260, 193351, 226520, 386702, 773404, 966755, 1353457, 1546808, 1933510, 2706914, 3867020, 5413828, 6767285, 7734040, 10827656, 13534570, 27069140, 54138280]

約数ペア:

[(1, 54138280), (2, 27069140), (4, 13534570), (5, 10827656), (7, 7734040), (8, 6767285), (10, 5413828), (14, 3867020), (20, 2706914), (28, 1933510), (35, 1546808), (40, 1353457), (56, 966755), (70, 773404), (140, 386702), (239, 226520), (280, 193351), (478, 113260), (809, 66920), (956, 56630), (1195, 45304), (1618, 33460), (1673, 32360), (1912, 28315), (2390, 22652), (3236, 16730), (3346, 16180), (4045, 13384), (4780, 11326), (5663, 9560), (6472, 8365), (6692, 8090)]