68222840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1459}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 176601600

約数和(自身を除く): 108378760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1459, 1670, 2338, 2918, 3340, 4676, 5836, 5845, 6680, 7295, 9352, 10213, 11672, 11690, 14590, 20426, 23380, 29180, 40852, 46760, 51065, 58360, 81704, 102130, 204260, 243653, 408520, 487306, 974612, 1218265, 1705571, 1949224, 2436530, 3411142, 4873060, 6822284, 8527855, 9746120, 13644568, 17055710, 34111420, 68222840]

約数ペア:

[(1, 68222840), (2, 34111420), (4, 17055710), (5, 13644568), (7, 9746120), (8, 8527855), (10, 6822284), (14, 4873060), (20, 3411142), (28, 2436530), (35, 1949224), (40, 1705571), (56, 1218265), (70, 974612), (140, 487306), (167, 408520), (280, 243653), (334, 204260), (668, 102130), (835, 81704), (1169, 58360), (1336, 51065), (1459, 46760), (1670, 40852), (2338, 29180), (2918, 23380), (3340, 20426), (4676, 14590), (5836, 11690), (5845, 11672), (6680, 10213), (7295, 9352)]