51328920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{821}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 154470240

約数和(自身を除く): 103141320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 821, 1042, 1563, 1642, 2084, 2463, 2605, 3126, 3284, 4105, 4168, 4926, 5210, 6252, 6568, 7815, 8210, 9852, 10420, 12315, 12504, 15630, 16420, 19704, 20840, 24630, 31260, 32840, 49260, 62520, 98520, 427741, 855482, 1283223, 1710964, 2138705, 2566446, 3421928, 4277410, 5132892, 6416115, 8554820, 10265784, 12832230, 17109640, 25664460, 51328920]

約数ペア:

[(1, 51328920), (2, 25664460), (3, 17109640), (4, 12832230), (5, 10265784), (6, 8554820), (8, 6416115), (10, 5132892), (12, 4277410), (15, 3421928), (20, 2566446), (24, 2138705), (30, 1710964), (40, 1283223), (60, 855482), (120, 427741), (521, 98520), (821, 62520), (1042, 49260), (1563, 32840), (1642, 31260), (2084, 24630), (2463, 20840), (2605, 19704), (3126, 16420), (3284, 15630), (4105, 12504), (4168, 12315), (4926, 10420), (5210, 9852), (6252, 8210), (6568, 7815)]