76891640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{883}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 198581760

約数和(自身を除く): 121690120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 883, 1244, 1555, 1766, 2177, 2488, 3110, 3532, 4354, 4415, 6181, 6220, 7064, 8708, 8830, 10885, 12362, 12440, 17416, 17660, 21770, 24724, 30905, 35320, 43540, 49448, 61810, 87080, 123620, 247240, 274613, 549226, 1098452, 1373065, 1922291, 2196904, 2746130, 3844582, 5492260, 7689164, 9611455, 10984520, 15378328, 19222910, 38445820, 76891640]

約数ペア:

[(1, 76891640), (2, 38445820), (4, 19222910), (5, 15378328), (7, 10984520), (8, 9611455), (10, 7689164), (14, 5492260), (20, 3844582), (28, 2746130), (35, 2196904), (40, 1922291), (56, 1373065), (70, 1098452), (140, 549226), (280, 274613), (311, 247240), (622, 123620), (883, 87080), (1244, 61810), (1555, 49448), (1766, 43540), (2177, 35320), (2488, 30905), (3110, 24724), (3532, 21770), (4354, 17660), (4415, 17416), (6181, 12440), (6220, 12362), (7064, 10885), (8708, 8830)]