261570270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{670693}}^1$

素因数の和:670716

約数の個数: 32

約数和(自身を含む): 676059552

約数和(自身を除く): 414489282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 670693, 1341386, 2012079, 3353465, 4024158, 6706930, 8719009, 10060395, 17438018, 20120790, 26157027, 43595045, 52314054, 87190090, 130785135, 261570270]

約数ペア:

[(1, 261570270), (2, 130785135), (3, 87190090), (5, 52314054), (6, 43595045), (10, 26157027), (13, 20120790), (15, 17438018), (26, 10060395), (30, 8719009), (39, 6706930), (65, 4024158), (78, 3353465), (130, 2012079), (195, 1341386), (390, 670693)]