15163340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 33809664

約数和(自身を除く): 18646324

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 661, 740, 1147, 1322, 2294, 2644, 3305, 4588, 5735, 6610, 11470, 13220, 20491, 22940, 24457, 40982, 48914, 81964, 97828, 102455, 122285, 204910, 244570, 409820, 489140, 758167, 1516334, 3032668, 3790835, 7581670, 15163340]

約数ペア:

[(1, 15163340), (2, 7581670), (4, 3790835), (5, 3032668), (10, 1516334), (20, 758167), (31, 489140), (37, 409820), (62, 244570), (74, 204910), (124, 122285), (148, 102455), (155, 97828), (185, 81964), (310, 48914), (370, 40982), (620, 24457), (661, 22940), (740, 20491), (1147, 13220), (1322, 11470), (2294, 6610), (2644, 5735), (3305, 4588)]