256609872

素因数分解:

$2^4\times 3^2\times {\mathrm{409}}^1\times {\mathrm{4357}}^1$

素因数の和:4780

約数の個数: 60

約数和(自身を含む): 720072340

約数和(自身を除く): 463462468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 409, 818, 1227, 1636, 2454, 3272, 3681, 4357, 4908, 6544, 7362, 8714, 9816, 13071, 14724, 17428, 19632, 26142, 29448, 34856, 39213, 52284, 58896, 69712, 78426, 104568, 156852, 209136, 313704, 627408, 1782013, 3564026, 5346039, 7128052, 10692078, 14256104, 16038117, 21384156, 28512208, 32076234, 42768312, 64152468, 85536624, 128304936, 256609872]

約数ペア:

[(1, 256609872), (2, 128304936), (3, 85536624), (4, 64152468), (6, 42768312), (8, 32076234), (9, 28512208), (12, 21384156), (16, 16038117), (18, 14256104), (24, 10692078), (36, 7128052), (48, 5346039), (72, 3564026), (144, 1782013), (409, 627408), (818, 313704), (1227, 209136), (1636, 156852), (2454, 104568), (3272, 78426), (3681, 69712), (4357, 58896), (4908, 52284), (6544, 39213), (7362, 34856), (8714, 29448), (9816, 26142), (13071, 19632), (14724, 17428)]