68648960

素因数分解:

$2^{15}\times 5^1\times {\mathrm{419}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 165148200

約数和(自身を除く): 96499240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 419, 512, 640, 838, 1024, 1280, 1676, 2048, 2095, 2560, 3352, 4096, 4190, 5120, 6704, 8192, 8380, 10240, 13408, 16384, 16760, 20480, 26816, 32768, 33520, 40960, 53632, 67040, 81920, 107264, 134080, 163840, 214528, 268160, 429056, 536320, 858112, 1072640, 1716224, 2145280, 3432448, 4290560, 6864896, 8581120, 13729792, 17162240, 34324480, 68648960]

約数ペア:

[(1, 68648960), (2, 34324480), (4, 17162240), (5, 13729792), (8, 8581120), (10, 6864896), (16, 4290560), (20, 3432448), (32, 2145280), (40, 1716224), (64, 1072640), (80, 858112), (128, 536320), (160, 429056), (256, 268160), (320, 214528), (419, 163840), (512, 134080), (640, 107264), (838, 81920), (1024, 67040), (1280, 53632), (1676, 40960), (2048, 33520), (2095, 32768), (2560, 26816), (3352, 20480), (4096, 16760), (4190, 16384), (5120, 13408), (6704, 10240), (8192, 8380)]