72728680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 169673040

約数和(自身を除く): 96944360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 296, 313, 314, 370, 626, 628, 740, 785, 1252, 1256, 1480, 1565, 1570, 2504, 3130, 3140, 5809, 6260, 6280, 11581, 11618, 12520, 23162, 23236, 29045, 46324, 46472, 49141, 57905, 58090, 92648, 98282, 115810, 116180, 196564, 231620, 232360, 245705, 393128, 463240, 491410, 982820, 1818217, 1965640, 3636434, 7272868, 9091085, 14545736, 18182170, 36364340, 72728680]

約数ペア:

[(1, 72728680), (2, 36364340), (4, 18182170), (5, 14545736), (8, 9091085), (10, 7272868), (20, 3636434), (37, 1965640), (40, 1818217), (74, 982820), (148, 491410), (157, 463240), (185, 393128), (296, 245705), (313, 232360), (314, 231620), (370, 196564), (626, 116180), (628, 115810), (740, 98282), (785, 92648), (1252, 58090), (1256, 57905), (1480, 49141), (1565, 46472), (1570, 46324), (2504, 29045), (3130, 23236), (3140, 23162), (5809, 12520), (6260, 11618), (6280, 11581)]