15460820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 35335440

約数和(自身を除く): 19874620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1229, 1258, 2458, 2516, 3145, 4916, 6145, 6290, 12290, 12580, 20893, 24580, 41786, 45473, 83572, 90946, 104465, 181892, 208930, 227365, 417860, 454730, 773041, 909460, 1546082, 3092164, 3865205, 7730410, 15460820]

約数ペア:

[(1, 15460820), (2, 7730410), (4, 3865205), (5, 3092164), (10, 1546082), (17, 909460), (20, 773041), (34, 454730), (37, 417860), (68, 227365), (74, 208930), (85, 181892), (148, 104465), (170, 90946), (185, 83572), (340, 45473), (370, 41786), (629, 24580), (740, 20893), (1229, 12580), (1258, 12290), (2458, 6290), (2516, 6145), (3145, 4916)]