72319240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258283}}^1$

素因数の和:258301

約数の個数: 32

約数和(自身を含む): 185964480

約数和(自身を除く): 113645240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258283, 516566, 1033132, 1291415, 1807981, 2066264, 2582830, 3615962, 5165660, 7231924, 9039905, 10331320, 14463848, 18079810, 36159620, 72319240]

約数ペア:

[(1, 72319240), (2, 36159620), (4, 18079810), (5, 14463848), (7, 10331320), (8, 9039905), (10, 7231924), (14, 5165660), (20, 3615962), (28, 2582830), (35, 2066264), (40, 1807981), (56, 1291415), (70, 1033132), (140, 516566), (280, 258283)]