72915180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{93481}}^1$

素因数の和:93506

約数の個数: 48

約数和(自身を含む): 219869664

約数和(自身を除く): 146954484

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, 93481, 186962, 280443, 373924, 467405, 560886, 934810, 1121772, 1215253, 1402215, 1869620, 2430506, 2804430, 3645759, 4861012, 5608860, 6076265, 7291518, 12152530, 14583036, 18228795, 24305060, 36457590, 72915180]

約数ペア:

[(1, 72915180), (2, 36457590), (3, 24305060), (4, 18228795), (5, 14583036), (6, 12152530), (10, 7291518), (12, 6076265), (13, 5608860), (15, 4861012), (20, 3645759), (26, 2804430), (30, 2430506), (39, 1869620), (52, 1402215), (60, 1215253), (65, 1121772), (78, 934810), (130, 560886), (156, 467405), (195, 373924), (260, 280443), (390, 186962), (780, 93481)]