81057180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2593}}^1$

素因数の和:3126

約数の個数: 48

約数和(自身を含む): 227483424

約数和(自身を除く): 146426244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 1042, 1563, 2084, 2593, 2605, 3126, 5186, 5210, 6252, 7779, 7815, 10372, 10420, 12965, 15558, 15630, 25930, 31116, 31260, 38895, 51860, 77790, 155580, 1350953, 2701906, 4052859, 5403812, 6754765, 8105718, 13509530, 16211436, 20264295, 27019060, 40528590, 81057180]

約数ペア:

[(1, 81057180), (2, 40528590), (3, 27019060), (4, 20264295), (5, 16211436), (6, 13509530), (10, 8105718), (12, 6754765), (15, 5403812), (20, 4052859), (30, 2701906), (60, 1350953), (521, 155580), (1042, 77790), (1563, 51860), (2084, 38895), (2593, 31260), (2605, 31116), (3126, 25930), (5186, 15630), (5210, 15558), (6252, 12965), (7779, 10420), (7815, 10372)]