28071480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{521}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 84564000

約数和(自身を除く): 56492520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 449, 521, 898, 1042, 1347, 1563, 1796, 2084, 2245, 2605, 2694, 3126, 3592, 4168, 4490, 5210, 5388, 6252, 6735, 7815, 8980, 10420, 10776, 12504, 13470, 15630, 17960, 20840, 26940, 31260, 53880, 62520, 233929, 467858, 701787, 935716, 1169645, 1403574, 1871432, 2339290, 2807148, 3508935, 4678580, 5614296, 7017870, 9357160, 14035740, 28071480]

約数ペア:

[(1, 28071480), (2, 14035740), (3, 9357160), (4, 7017870), (5, 5614296), (6, 4678580), (8, 3508935), (10, 2807148), (12, 2339290), (15, 1871432), (20, 1403574), (24, 1169645), (30, 935716), (40, 701787), (60, 467858), (120, 233929), (449, 62520), (521, 53880), (898, 31260), (1042, 26940), (1347, 20840), (1563, 17960), (1796, 15630), (2084, 13470), (2245, 12504), (2605, 10776), (2694, 10420), (3126, 8980), (3592, 7815), (4168, 6735), (4490, 6252), (5210, 5388)]