15490040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 36936000

約数和(自身を除く): 21445960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 149, 184, 226, 230, 298, 452, 460, 565, 596, 745, 904, 920, 1130, 1192, 1490, 2260, 2599, 2980, 3427, 4520, 5198, 5960, 6854, 10396, 12995, 13708, 16837, 17135, 20792, 25990, 27416, 33674, 34270, 51980, 67348, 68540, 84185, 103960, 134696, 137080, 168370, 336740, 387251, 673480, 774502, 1549004, 1936255, 3098008, 3872510, 7745020, 15490040]

約数ペア:

[(1, 15490040), (2, 7745020), (4, 3872510), (5, 3098008), (8, 1936255), (10, 1549004), (20, 774502), (23, 673480), (40, 387251), (46, 336740), (92, 168370), (113, 137080), (115, 134696), (149, 103960), (184, 84185), (226, 68540), (230, 67348), (298, 51980), (452, 34270), (460, 33674), (565, 27416), (596, 25990), (745, 20792), (904, 17135), (920, 16837), (1130, 13708), (1192, 12995), (1490, 10396), (2260, 6854), (2599, 5960), (2980, 5198), (3427, 4520)]