154989680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113963}}^1$

素因数の和:113993

約数の個数: 40

約数和(自身を含む): 381551472

約数和(自身を除く): 226561792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 113963, 227926, 455852, 569815, 911704, 1139630, 1823408, 1937371, 2279260, 3874742, 4558520, 7749484, 9117040, 9686855, 15498968, 19373710, 30997936, 38747420, 77494840, 154989680]

約数ペア:

[(1, 154989680), (2, 77494840), (4, 38747420), (5, 30997936), (8, 19373710), (10, 15498968), (16, 9686855), (17, 9117040), (20, 7749484), (34, 4558520), (40, 3874742), (68, 2279260), (80, 1937371), (85, 1823408), (136, 1139630), (170, 911704), (272, 569815), (340, 455852), (680, 227926), (1360, 113963)]