15439580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 35755104

約数和(自身を除く): 20315524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1381, 2236, 2762, 2795, 5524, 5590, 6905, 11180, 13810, 17953, 27620, 35906, 59383, 71812, 89765, 118766, 179530, 237532, 296915, 359060, 593830, 771979, 1187660, 1543958, 3087916, 3859895, 7719790, 15439580]

約数ペア:

[(1, 15439580), (2, 7719790), (4, 3859895), (5, 3087916), (10, 1543958), (13, 1187660), (20, 771979), (26, 593830), (43, 359060), (52, 296915), (65, 237532), (86, 179530), (130, 118766), (172, 89765), (215, 71812), (260, 59383), (430, 35906), (559, 27620), (860, 17953), (1118, 13810), (1381, 11180), (2236, 6905), (2762, 5590), (2795, 5524)]