256935120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82351}}^1$

素因数の和:82380

約数の個数: 80

約数和(自身を含む): 857778432

約数和(自身を除く): 600843312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 82351, 164702, 247053, 329404, 411755, 494106, 658808, 823510, 988212, 1070563, 1235265, 1317616, 1647020, 1976424, 2141126, 2470530, 3211689, 3294040, 3952848, 4282252, 4941060, 5352815, 6423378, 6588080, 8564504, 9882120, 10705630, 12846756, 16058445, 17129008, 19764240, 21411260, 25693512, 32116890, 42822520, 51387024, 64233780, 85645040, 128467560, 256935120]

約数ペア:

[(1, 256935120), (2, 128467560), (3, 85645040), (4, 64233780), (5, 51387024), (6, 42822520), (8, 32116890), (10, 25693512), (12, 21411260), (13, 19764240), (15, 17129008), (16, 16058445), (20, 12846756), (24, 10705630), (26, 9882120), (30, 8564504), (39, 6588080), (40, 6423378), (48, 5352815), (52, 4941060), (60, 4282252), (65, 3952848), (78, 3294040), (80, 3211689), (104, 2470530), (120, 2141126), (130, 1976424), (156, 1647020), (195, 1317616), (208, 1235265), (240, 1070563), (260, 988212), (312, 823510), (390, 658808), (520, 494106), (624, 411755), (780, 329404), (1040, 247053), (1560, 164702), (3120, 82351)]