81560310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1283}}^1$

素因数の和:1469

約数の個数: 64

約数和(自身を含む): 212260608

約数和(自身を除く): 130700298

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 195, 326, 390, 489, 815, 978, 1283, 1630, 2119, 2445, 2566, 3849, 4238, 4890, 6357, 6415, 7698, 10595, 12714, 12830, 16679, 19245, 21190, 31785, 33358, 38490, 50037, 63570, 83395, 100074, 166790, 209129, 250185, 418258, 500370, 627387, 1045645, 1254774, 2091290, 2718677, 3136935, 5437354, 6273870, 8156031, 13593385, 16312062, 27186770, 40780155, 81560310]

約数ペア:

[(1, 81560310), (2, 40780155), (3, 27186770), (5, 16312062), (6, 13593385), (10, 8156031), (13, 6273870), (15, 5437354), (26, 3136935), (30, 2718677), (39, 2091290), (65, 1254774), (78, 1045645), (130, 627387), (163, 500370), (195, 418258), (326, 250185), (390, 209129), (489, 166790), (815, 100074), (978, 83395), (1283, 63570), (1630, 50037), (2119, 38490), (2445, 33358), (2566, 31785), (3849, 21190), (4238, 19245), (4890, 16679), (6357, 12830), (6415, 12714), (7698, 10595)]