64494640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 178926048

約数和(自身を除く): 114431408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 53, 56, 70, 80, 82, 106, 112, 140, 164, 205, 212, 265, 280, 287, 328, 371, 410, 424, 530, 560, 574, 656, 742, 820, 848, 1060, 1148, 1435, 1484, 1640, 1855, 2120, 2173, 2296, 2809, 2870, 2968, 3280, 3710, 4240, 4346, 4592, 5618, 5740, 5936, 7420, 8692, 10865, 11236, 11480, 14045, 14840, 15211, 17384, 19663, 21730, 22472, 22960, 28090, 29680, 30422, 34768, 39326, 43460, 44944, 56180, 60844, 76055, 78652, 86920, 98315, 112360, 115169, 121688, 152110, 157304, 173840, 196630, 224720, 230338, 243376, 304220, 314608, 393260, 460676, 575845, 608440, 786520, 806183, 921352, 1151690, 1216880, 1573040, 1612366, 1842704, 2303380, 3224732, 4030915, 4606760, 6449464, 8061830, 9213520, 12898928, 16123660, 32247320, 64494640]

約数ペア:

[(1, 64494640), (2, 32247320), (4, 16123660), (5, 12898928), (7, 9213520), (8, 8061830), (10, 6449464), (14, 4606760), (16, 4030915), (20, 3224732), (28, 2303380), (35, 1842704), (40, 1612366), (41, 1573040), (53, 1216880), (56, 1151690), (70, 921352), (80, 806183), (82, 786520), (106, 608440), (112, 575845), (140, 460676), (164, 393260), (205, 314608), (212, 304220), (265, 243376), (280, 230338), (287, 224720), (328, 196630), (371, 173840), (410, 157304), (424, 152110), (530, 121688), (560, 115169), (574, 112360), (656, 98315), (742, 86920), (820, 78652), (848, 76055), (1060, 60844), (1148, 56180), (1435, 44944), (1484, 43460), (1640, 39326), (1855, 34768), (2120, 30422), (2173, 29680), (2296, 28090), (2809, 22960), (2870, 22472), (2968, 21730), (3280, 19663), (3710, 17384), (4240, 15211), (4346, 14840), (4592, 14045), (5618, 11480), (5740, 11236), (5936, 10865), (7420, 8692)]