15288220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 34040160

約数和(自身を除く): 18751940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 613, 860, 1226, 1247, 2452, 2494, 3065, 4988, 6130, 6235, 12260, 12470, 17777, 24940, 26359, 35554, 52718, 71108, 88885, 105436, 131795, 177770, 263590, 355540, 527180, 764411, 1528822, 3057644, 3822055, 7644110, 15288220]

約数ペア:

[(1, 15288220), (2, 7644110), (4, 3822055), (5, 3057644), (10, 1528822), (20, 764411), (29, 527180), (43, 355540), (58, 263590), (86, 177770), (116, 131795), (145, 105436), (172, 88885), (215, 71108), (290, 52718), (430, 35554), (580, 26359), (613, 24940), (860, 17777), (1226, 12470), (1247, 12260), (2452, 6235), (2494, 6130), (3065, 4988)]