15665597740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{240049}}^1$

素因数の和:240322

約数の個数: 48

約数和(自身を含む): 35569648800

約数和(自身を除く): 19904051060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 251, 260, 502, 1004, 1255, 2510, 3263, 5020, 6526, 13052, 16315, 32630, 65260, 240049, 480098, 960196, 1200245, 2400490, 3120637, 4800980, 6241274, 12482548, 15603185, 31206370, 60252299, 62412740, 120504598, 241009196, 301261495, 602522990, 783279887, 1205045980, 1566559774, 3133119548, 3916399435, 7832798870, 15665597740]

約数ペア:

[(1, 15665597740), (2, 7832798870), (4, 3916399435), (5, 3133119548), (10, 1566559774), (13, 1205045980), (20, 783279887), (26, 602522990), (52, 301261495), (65, 241009196), (130, 120504598), (251, 62412740), (260, 60252299), (502, 31206370), (1004, 15603185), (1255, 12482548), (2510, 6241274), (3263, 4800980), (5020, 3120637), (6526, 2400490), (13052, 1200245), (16315, 960196), (32630, 480098), (65260, 240049)]