82651440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1198

約数の個数: 80

約数和(自身を含む): 257099616

約数和(自身を除く): 174448176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 661, 1042, 1322, 1563, 1983, 2084, 2605, 2644, 3126, 3305, 3966, 4168, 5210, 5288, 6252, 6610, 7815, 7932, 8336, 9915, 10420, 10576, 12504, 13220, 15630, 15864, 19830, 20840, 25008, 26440, 31260, 31728, 39660, 41680, 52880, 62520, 79320, 125040, 158640, 344381, 688762, 1033143, 1377524, 1721905, 2066286, 2755048, 3443810, 4132572, 5165715, 5510096, 6887620, 8265144, 10331430, 13775240, 16530288, 20662860, 27550480, 41325720, 82651440]

約数ペア:

[(1, 82651440), (2, 41325720), (3, 27550480), (4, 20662860), (5, 16530288), (6, 13775240), (8, 10331430), (10, 8265144), (12, 6887620), (15, 5510096), (16, 5165715), (20, 4132572), (24, 3443810), (30, 2755048), (40, 2066286), (48, 1721905), (60, 1377524), (80, 1033143), (120, 688762), (240, 344381), (521, 158640), (661, 125040), (1042, 79320), (1322, 62520), (1563, 52880), (1983, 41680), (2084, 39660), (2605, 31728), (2644, 31260), (3126, 26440), (3305, 25008), (3966, 20840), (4168, 19830), (5210, 15864), (5288, 15630), (6252, 13220), (6610, 12504), (7815, 10576), (7932, 10420), (8336, 9915)]