2555550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{631}}^1$

素因数の和:655

約数の個数: 60

約数和(自身を含む): 7111896

約数和(自身を除く): 4556346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 631, 675, 810, 1262, 1350, 1893, 2025, 3155, 3786, 4050, 5679, 6310, 9465, 11358, 15775, 17037, 18930, 28395, 31550, 34074, 47325, 51111, 56790, 85185, 94650, 102222, 141975, 170370, 255555, 283950, 425925, 511110, 851850, 1277775, 2555550]

約数ペア:

[(1, 2555550), (2, 1277775), (3, 851850), (5, 511110), (6, 425925), (9, 283950), (10, 255555), (15, 170370), (18, 141975), (25, 102222), (27, 94650), (30, 85185), (45, 56790), (50, 51111), (54, 47325), (75, 34074), (81, 31550), (90, 28395), (135, 18930), (150, 17037), (162, 15775), (225, 11358), (270, 9465), (405, 6310), (450, 5679), (631, 4050), (675, 3786), (810, 3155), (1262, 2025), (1350, 1893)]