31612620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40529}}^1$

素因数の和:40554

約数の個数: 48

約数和(自身を含む): 95326560

約数和(自身を除く): 63713940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40529, 81058, 121587, 162116, 202645, 243174, 405290, 486348, 526877, 607935, 810580, 1053754, 1215870, 1580631, 2107508, 2431740, 2634385, 3161262, 5268770, 6322524, 7903155, 10537540, 15806310, 31612620]

約数ペア:

[(1, 31612620), (2, 15806310), (3, 10537540), (4, 7903155), (5, 6322524), (6, 5268770), (10, 3161262), (12, 2634385), (13, 2431740), (15, 2107508), (20, 1580631), (26, 1215870), (30, 1053754), (39, 810580), (52, 607935), (60, 526877), (65, 486348), (78, 405290), (130, 243174), (156, 202645), (195, 162116), (260, 121587), (390, 81058), (780, 40529)]