77996280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649969}}^1$

素因数の和:649983

約数の個数: 32

約数和(自身を含む): 233989200

約数和(自身を除く): 155992920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649969, 1299938, 1949907, 2599876, 3249845, 3899814, 5199752, 6499690, 7799628, 9749535, 12999380, 15599256, 19499070, 25998760, 38998140, 77996280]

約数ペア:

[(1, 77996280), (2, 38998140), (3, 25998760), (4, 19499070), (5, 15599256), (6, 12999380), (8, 9749535), (10, 7799628), (12, 6499690), (15, 5199752), (20, 3899814), (24, 3249845), (30, 2599876), (40, 1949907), (60, 1299938), (120, 649969)]