261809160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27617}}^1$

素因数の和:27710

約数の個数: 64

約数和(自身を含む): 795398400

約数和(自身を除く): 533589240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 27617, 55234, 82851, 110468, 138085, 165702, 220936, 276170, 331404, 414255, 552340, 662808, 828510, 1104680, 1657020, 2181743, 3314040, 4363486, 6545229, 8726972, 10908715, 13090458, 17453944, 21817430, 26180916, 32726145, 43634860, 52361832, 65452290, 87269720, 130904580, 261809160]

約数ペア:

[(1, 261809160), (2, 130904580), (3, 87269720), (4, 65452290), (5, 52361832), (6, 43634860), (8, 32726145), (10, 26180916), (12, 21817430), (15, 17453944), (20, 13090458), (24, 10908715), (30, 8726972), (40, 6545229), (60, 4363486), (79, 3314040), (120, 2181743), (158, 1657020), (237, 1104680), (316, 828510), (395, 662808), (474, 552340), (632, 414255), (790, 331404), (948, 276170), (1185, 220936), (1580, 165702), (1896, 138085), (2370, 110468), (3160, 82851), (4740, 55234), (9480, 27617)]