31210530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 81768960

約数和(自身を除く): 50558430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 790, 1013, 1027, 1185, 2026, 2054, 2370, 3039, 3081, 5065, 5135, 6078, 6162, 10130, 10270, 13169, 15195, 15405, 26338, 30390, 30810, 39507, 65845, 79014, 80027, 131690, 160054, 197535, 240081, 395070, 400135, 480162, 800270, 1040351, 1200405, 2080702, 2400810, 3121053, 5201755, 6242106, 10403510, 15605265, 31210530]

約数ペア:

[(1, 31210530), (2, 15605265), (3, 10403510), (5, 6242106), (6, 5201755), (10, 3121053), (13, 2400810), (15, 2080702), (26, 1200405), (30, 1040351), (39, 800270), (65, 480162), (78, 400135), (79, 395070), (130, 240081), (158, 197535), (195, 160054), (237, 131690), (390, 80027), (395, 79014), (474, 65845), (790, 39507), (1013, 30810), (1027, 30390), (1185, 26338), (2026, 15405), (2054, 15195), (2370, 13169), (3039, 10270), (3081, 10130), (5065, 6162), (5135, 6078)]