154397480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 359562240

約数和(自身を除く): 205164760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 530, 536, 670, 1060, 1087, 1340, 2120, 2174, 2680, 3551, 4348, 5435, 7102, 8696, 10870, 14204, 17755, 21740, 28408, 35510, 43480, 57611, 71020, 72829, 115222, 142040, 145658, 230444, 288055, 291316, 364145, 460888, 576110, 582632, 728290, 1152220, 1456580, 2304440, 2913160, 3859937, 7719874, 15439748, 19299685, 30879496, 38599370, 77198740, 154397480]

約数ペア:

[(1, 154397480), (2, 77198740), (4, 38599370), (5, 30879496), (8, 19299685), (10, 15439748), (20, 7719874), (40, 3859937), (53, 2913160), (67, 2304440), (106, 1456580), (134, 1152220), (212, 728290), (265, 582632), (268, 576110), (335, 460888), (424, 364145), (530, 291316), (536, 288055), (670, 230444), (1060, 145658), (1087, 142040), (1340, 115222), (2120, 72829), (2174, 71020), (2680, 57611), (3551, 43480), (4348, 35510), (5435, 28408), (7102, 21740), (8696, 17755), (10870, 14204)]