129647960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{881}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 315614880

約数和(自身を除く): 185966920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 283, 520, 566, 881, 1132, 1415, 1762, 2264, 2830, 3524, 3679, 4405, 5660, 7048, 7358, 8810, 11320, 11453, 14716, 17620, 18395, 22906, 29432, 35240, 36790, 45812, 57265, 73580, 91624, 114530, 147160, 229060, 249323, 458120, 498646, 997292, 1246615, 1994584, 2493230, 3241199, 4986460, 6482398, 9972920, 12964796, 16205995, 25929592, 32411990, 64823980, 129647960]

約数ペア:

[(1, 129647960), (2, 64823980), (4, 32411990), (5, 25929592), (8, 16205995), (10, 12964796), (13, 9972920), (20, 6482398), (26, 4986460), (40, 3241199), (52, 2493230), (65, 1994584), (104, 1246615), (130, 997292), (260, 498646), (283, 458120), (520, 249323), (566, 229060), (881, 147160), (1132, 114530), (1415, 91624), (1762, 73580), (2264, 57265), (2830, 45812), (3524, 36790), (3679, 35240), (4405, 29432), (5660, 22906), (7048, 18395), (7358, 17620), (8810, 14716), (11320, 11453)]