27429640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 71084160

約数和(自身を除く): 43654520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 601, 652, 815, 1141, 1202, 1304, 1630, 2282, 2404, 3005, 3260, 4207, 4564, 4808, 5705, 6010, 6520, 8414, 9128, 11410, 12020, 16828, 21035, 22820, 24040, 33656, 42070, 45640, 84140, 97963, 168280, 195926, 391852, 489815, 685741, 783704, 979630, 1371482, 1959260, 2742964, 3428705, 3918520, 5485928, 6857410, 13714820, 27429640]

約数ペア:

[(1, 27429640), (2, 13714820), (4, 6857410), (5, 5485928), (7, 3918520), (8, 3428705), (10, 2742964), (14, 1959260), (20, 1371482), (28, 979630), (35, 783704), (40, 685741), (56, 489815), (70, 391852), (140, 195926), (163, 168280), (280, 97963), (326, 84140), (601, 45640), (652, 42070), (815, 33656), (1141, 24040), (1202, 22820), (1304, 21035), (1630, 16828), (2282, 12020), (2404, 11410), (3005, 9128), (3260, 8414), (4207, 6520), (4564, 6010), (4808, 5705)]