256216440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13099}}^1$

素因数の和:13276

約数の個数: 64

約数和(自身を含む): 773424000

約数和(自身を除く): 517207560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 9780, 13099, 19560, 26198, 39297, 52396, 65495, 78594, 104792, 130990, 157188, 196485, 261980, 314376, 392970, 523960, 785940, 1571880, 2135137, 4270274, 6405411, 8540548, 10675685, 12810822, 17081096, 21351370, 25621644, 32027055, 42702740, 51243288, 64054110, 85405480, 128108220, 256216440]

約数ペア:

[(1, 256216440), (2, 128108220), (3, 85405480), (4, 64054110), (5, 51243288), (6, 42702740), (8, 32027055), (10, 25621644), (12, 21351370), (15, 17081096), (20, 12810822), (24, 10675685), (30, 8540548), (40, 6405411), (60, 4270274), (120, 2135137), (163, 1571880), (326, 785940), (489, 523960), (652, 392970), (815, 314376), (978, 261980), (1304, 196485), (1630, 157188), (1956, 130990), (2445, 104792), (3260, 78594), (3912, 65495), (4890, 52396), (6520, 39297), (9780, 26198), (13099, 19560)]