71842720

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1621}}^1$

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 170446248

約数和(自身を除く): 98603528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 1621, 2216, 2770, 3242, 4432, 5540, 6484, 8105, 8864, 11080, 12968, 16210, 22160, 25936, 32420, 44320, 51872, 64840, 129680, 259360, 449017, 898034, 1796068, 2245085, 3592136, 4490170, 7184272, 8980340, 14368544, 17960680, 35921360, 71842720]

約数ペア:

[(1, 71842720), (2, 35921360), (4, 17960680), (5, 14368544), (8, 8980340), (10, 7184272), (16, 4490170), (20, 3592136), (32, 2245085), (40, 1796068), (80, 898034), (160, 449017), (277, 259360), (554, 129680), (1108, 64840), (1385, 51872), (1621, 44320), (2216, 32420), (2770, 25936), (3242, 22160), (4432, 16210), (5540, 12968), (6484, 11080), (8105, 8864)]