67751580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86861}}^1$

素因数の和:86886

約数の個数: 48

約数和(自身を含む): 204299424

約数和(自身を除く): 136547844

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, 86861, 173722, 260583, 347444, 434305, 521166, 868610, 1042332, 1129193, 1302915, 1737220, 2258386, 2605830, 3387579, 4516772, 5211660, 5645965, 6775158, 11291930, 13550316, 16937895, 22583860, 33875790, 67751580]

約数ペア:

[(1, 67751580), (2, 33875790), (3, 22583860), (4, 16937895), (5, 13550316), (6, 11291930), (10, 6775158), (12, 5645965), (13, 5211660), (15, 4516772), (20, 3387579), (26, 2605830), (30, 2258386), (39, 1737220), (52, 1302915), (60, 1129193), (65, 1042332), (78, 868610), (130, 521166), (156, 434305), (195, 347444), (260, 260583), (390, 173722), (780, 86861)]