81843210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1377

約数の個数: 80

約数和(自身を含む): 223027200

約数和(自身を除く): 141183990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 395, 405, 474, 711, 790, 810, 1185, 1279, 1422, 2133, 2370, 2558, 3555, 3837, 4266, 6395, 6399, 7110, 7674, 10665, 11511, 12790, 12798, 19185, 21330, 23022, 31995, 34533, 38370, 57555, 63990, 69066, 101041, 103599, 115110, 172665, 202082, 207198, 303123, 345330, 505205, 517995, 606246, 909369, 1010410, 1035990, 1515615, 1818738, 2728107, 3031230, 4546845, 5456214, 8184321, 9093690, 13640535, 16368642, 27281070, 40921605, 81843210]

約数ペア:

[(1, 81843210), (2, 40921605), (3, 27281070), (5, 16368642), (6, 13640535), (9, 9093690), (10, 8184321), (15, 5456214), (18, 4546845), (27, 3031230), (30, 2728107), (45, 1818738), (54, 1515615), (79, 1035990), (81, 1010410), (90, 909369), (135, 606246), (158, 517995), (162, 505205), (237, 345330), (270, 303123), (395, 207198), (405, 202082), (474, 172665), (711, 115110), (790, 103599), (810, 101041), (1185, 69066), (1279, 63990), (1422, 57555), (2133, 38370), (2370, 34533), (2558, 31995), (3555, 23022), (3837, 21330), (4266, 19185), (6395, 12798), (6399, 12790), (7110, 11511), (7674, 10665)]