81393570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8297}}^1$

素因数の和:8419

約数の個数: 48

約数和(自身を含む): 213590520

約数和(自身を除く): 132196950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 3270, 4905, 8297, 9810, 16594, 24891, 41485, 49782, 74673, 82970, 124455, 149346, 248910, 373365, 746730, 904373, 1808746, 2713119, 4521865, 5426238, 8139357, 9043730, 13565595, 16278714, 27131190, 40696785, 81393570]

約数ペア:

[(1, 81393570), (2, 40696785), (3, 27131190), (5, 16278714), (6, 13565595), (9, 9043730), (10, 8139357), (15, 5426238), (18, 4521865), (30, 2713119), (45, 1808746), (90, 904373), (109, 746730), (218, 373365), (327, 248910), (545, 149346), (654, 124455), (981, 82970), (1090, 74673), (1635, 49782), (1962, 41485), (3270, 24891), (4905, 16594), (8297, 9810)]