129618160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{231461}}^1$

素因数の和:231481

約数の個数: 40

約数和(自身を含む): 344415456

約数和(自身を除く): 214797296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 231461, 462922, 925844, 1157305, 1620227, 1851688, 2314610, 3240454, 3703376, 4629220, 6480908, 8101135, 9258440, 12961816, 16202270, 18516880, 25923632, 32404540, 64809080, 129618160]

約数ペア:

[(1, 129618160), (2, 64809080), (4, 32404540), (5, 25923632), (7, 18516880), (8, 16202270), (10, 12961816), (14, 9258440), (16, 8101135), (20, 6480908), (28, 4629220), (35, 3703376), (40, 3240454), (56, 2314610), (70, 1851688), (80, 1620227), (112, 1157305), (140, 925844), (280, 462922), (560, 231461)]