71904640

素因数分解:

$2^7\times 5^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 172938960

約数和(自身を除く): 101034320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 283, 320, 397, 566, 640, 794, 1132, 1415, 1588, 1985, 2264, 2830, 3176, 3970, 4528, 5660, 6352, 7940, 9056, 11320, 12704, 15880, 18112, 22640, 25408, 31760, 36224, 45280, 50816, 63520, 90560, 112351, 127040, 181120, 224702, 254080, 449404, 561755, 898808, 1123510, 1797616, 2247020, 3595232, 4494040, 7190464, 8988080, 14380928, 17976160, 35952320, 71904640]

約数ペア:

[(1, 71904640), (2, 35952320), (4, 17976160), (5, 14380928), (8, 8988080), (10, 7190464), (16, 4494040), (20, 3595232), (32, 2247020), (40, 1797616), (64, 1123510), (80, 898808), (128, 561755), (160, 449404), (283, 254080), (320, 224702), (397, 181120), (566, 127040), (640, 112351), (794, 90560), (1132, 63520), (1415, 50816), (1588, 45280), (1985, 36224), (2264, 31760), (2830, 25408), (3176, 22640), (3970, 18112), (4528, 15880), (5660, 12704), (6352, 11320), (7940, 9056)]