644880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2687}}^1$

素因数の和:2703

約数の個数: 40

約数和(自身を含む): 1999872

約数和(自身を除く): 1354992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2687, 5374, 8061, 10748, 13435, 16122, 21496, 26870, 32244, 40305, 42992, 53740, 64488, 80610, 107480, 128976, 161220, 214960, 322440, 644880]

約数ペア:

[(1, 644880), (2, 322440), (3, 214960), (4, 161220), (5, 128976), (6, 107480), (8, 80610), (10, 64488), (12, 53740), (15, 42992), (16, 40305), (20, 32244), (24, 26870), (30, 21496), (40, 16122), (48, 13435), (60, 10748), (80, 8061), (120, 5374), (240, 2687)]