31192520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 72558720

約数和(自身を除く): 41366200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 103, 113, 134, 206, 226, 268, 335, 412, 452, 515, 536, 565, 670, 824, 904, 1030, 1130, 1340, 2060, 2260, 2680, 4120, 4520, 6901, 7571, 11639, 13802, 15142, 23278, 27604, 30284, 34505, 37855, 46556, 55208, 58195, 60568, 69010, 75710, 93112, 116390, 138020, 151420, 232780, 276040, 302840, 465560, 779813, 1559626, 3119252, 3899065, 6238504, 7798130, 15596260, 31192520]

約数ペア:

[(1, 31192520), (2, 15596260), (4, 7798130), (5, 6238504), (8, 3899065), (10, 3119252), (20, 1559626), (40, 779813), (67, 465560), (103, 302840), (113, 276040), (134, 232780), (206, 151420), (226, 138020), (268, 116390), (335, 93112), (412, 75710), (452, 69010), (515, 60568), (536, 58195), (565, 55208), (670, 46556), (824, 37855), (904, 34505), (1030, 30284), (1130, 27604), (1340, 23278), (2060, 15142), (2260, 13802), (2680, 11639), (4120, 7571), (4520, 6901)]