81533040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{887}}^1$

素因数の和:1286

約数の個数: 80

約数和(自身を含む): 253698048

約数和(自身を除く): 172165008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 383, 766, 887, 1149, 1532, 1774, 1915, 2298, 2661, 3064, 3548, 3830, 4435, 4596, 5322, 5745, 6128, 7096, 7660, 8870, 9192, 10644, 11490, 13305, 14192, 15320, 17740, 18384, 21288, 22980, 26610, 30640, 35480, 42576, 45960, 53220, 70960, 91920, 106440, 212880, 339721, 679442, 1019163, 1358884, 1698605, 2038326, 2717768, 3397210, 4076652, 5095815, 5435536, 6794420, 8153304, 10191630, 13588840, 16306608, 20383260, 27177680, 40766520, 81533040]

約数ペア:

[(1, 81533040), (2, 40766520), (3, 27177680), (4, 20383260), (5, 16306608), (6, 13588840), (8, 10191630), (10, 8153304), (12, 6794420), (15, 5435536), (16, 5095815), (20, 4076652), (24, 3397210), (30, 2717768), (40, 2038326), (48, 1698605), (60, 1358884), (80, 1019163), (120, 679442), (240, 339721), (383, 212880), (766, 106440), (887, 91920), (1149, 70960), (1532, 53220), (1774, 45960), (1915, 42576), (2298, 35480), (2661, 30640), (3064, 26610), (3548, 22980), (3830, 21288), (4435, 18384), (4596, 17740), (5322, 15320), (5745, 14192), (6128, 13305), (7096, 11490), (7660, 10644), (8870, 9192)]