256555380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137933}}^1$

素因数の和:137976

約数の個数: 48

約数和(自身を含む): 741533184

約数和(自身を除く): 484977804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 137933, 275866, 413799, 551732, 689665, 827598, 1379330, 1655196, 2068995, 2758660, 4137990, 4275923, 8275980, 8551846, 12827769, 17103692, 21379615, 25655538, 42759230, 51311076, 64138845, 85518460, 128277690, 256555380]

約数ペア:

[(1, 256555380), (2, 128277690), (3, 85518460), (4, 64138845), (5, 51311076), (6, 42759230), (10, 25655538), (12, 21379615), (15, 17103692), (20, 12827769), (30, 8551846), (31, 8275980), (60, 4275923), (62, 4137990), (93, 2758660), (124, 2068995), (155, 1655196), (186, 1379330), (310, 827598), (372, 689665), (465, 551732), (620, 413799), (930, 275866), (1860, 137933)]