15491120

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2333}}^1$

素因数の和:2429

約数の個数: 40

約数和(自身を含む): 36466416

約数和(自身を除く): 20975296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2333, 3320, 4666, 6640, 9332, 11665, 18664, 23330, 37328, 46660, 93320, 186640, 193639, 387278, 774556, 968195, 1549112, 1936390, 3098224, 3872780, 7745560, 15491120]

約数ペア:

[(1, 15491120), (2, 7745560), (4, 3872780), (5, 3098224), (8, 1936390), (10, 1549112), (16, 968195), (20, 774556), (40, 387278), (80, 193639), (83, 186640), (166, 93320), (332, 46660), (415, 37328), (664, 23330), (830, 18664), (1328, 11665), (1660, 9332), (2333, 6640), (3320, 4666)]