51741780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 148143072

約数和(自身を除く): 96401292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 307, 318, 530, 614, 636, 795, 921, 1060, 1228, 1535, 1590, 1842, 2809, 3070, 3180, 3684, 4605, 5618, 6140, 8427, 9210, 11236, 14045, 16271, 16854, 18420, 28090, 32542, 33708, 42135, 48813, 56180, 65084, 81355, 84270, 97626, 162710, 168540, 195252, 244065, 325420, 488130, 862363, 976260, 1724726, 2587089, 3449452, 4311815, 5174178, 8623630, 10348356, 12935445, 17247260, 25870890, 51741780]

約数ペア:

[(1, 51741780), (2, 25870890), (3, 17247260), (4, 12935445), (5, 10348356), (6, 8623630), (10, 5174178), (12, 4311815), (15, 3449452), (20, 2587089), (30, 1724726), (53, 976260), (60, 862363), (106, 488130), (159, 325420), (212, 244065), (265, 195252), (307, 168540), (318, 162710), (530, 97626), (614, 84270), (636, 81355), (795, 65084), (921, 56180), (1060, 48813), (1228, 42135), (1535, 33708), (1590, 32542), (1842, 28090), (2809, 18420), (3070, 16854), (3180, 16271), (3684, 14045), (4605, 11236), (5618, 9210), (6140, 8427)]