90904080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{727}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 282731904

約数和(自身を除く): 191827824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 521, 727, 1042, 1454, 1563, 2084, 2181, 2605, 2908, 3126, 3635, 4168, 4362, 5210, 5816, 6252, 7270, 7815, 8336, 8724, 10420, 10905, 11632, 12504, 14540, 15630, 17448, 20840, 21810, 25008, 29080, 31260, 34896, 41680, 43620, 58160, 62520, 87240, 125040, 174480, 378767, 757534, 1136301, 1515068, 1893835, 2272602, 3030136, 3787670, 4545204, 5681505, 6060272, 7575340, 9090408, 11363010, 15150680, 18180816, 22726020, 30301360, 45452040, 90904080]

約数ペア:

[(1, 90904080), (2, 45452040), (3, 30301360), (4, 22726020), (5, 18180816), (6, 15150680), (8, 11363010), (10, 9090408), (12, 7575340), (15, 6060272), (16, 5681505), (20, 4545204), (24, 3787670), (30, 3030136), (40, 2272602), (48, 1893835), (60, 1515068), (80, 1136301), (120, 757534), (240, 378767), (521, 174480), (727, 125040), (1042, 87240), (1454, 62520), (1563, 58160), (2084, 43620), (2181, 41680), (2605, 34896), (2908, 31260), (3126, 29080), (3635, 25008), (4168, 21810), (4362, 20840), (5210, 17448), (5816, 15630), (6252, 14540), (7270, 12504), (7815, 11632), (8336, 10905), (8724, 10420)]