15380690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 31622400

約数和(自身を除く): 16241710

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 479, 494, 845, 958, 1235, 1690, 2395, 2470, 3211, 4790, 6227, 6422, 9101, 12454, 16055, 18202, 31135, 32110, 45505, 62270, 80951, 91010, 118313, 161902, 236626, 404755, 591565, 809510, 1183130, 1538069, 3076138, 7690345, 15380690]

約数ペア:

[(1, 15380690), (2, 7690345), (5, 3076138), (10, 1538069), (13, 1183130), (19, 809510), (26, 591565), (38, 404755), (65, 236626), (95, 161902), (130, 118313), (169, 91010), (190, 80951), (247, 62270), (338, 45505), (479, 32110), (494, 31135), (845, 18202), (958, 16055), (1235, 12454), (1690, 9101), (2395, 6422), (2470, 6227), (3211, 4790)]