15311840

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 36641808

約数和(自身を除く): 21329968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1153, 1328, 1660, 2306, 2656, 3320, 4612, 5765, 6640, 9224, 11530, 13280, 18448, 23060, 36896, 46120, 92240, 95699, 184480, 191398, 382796, 478495, 765592, 956990, 1531184, 1913980, 3062368, 3827960, 7655920, 15311840]

約数ペア:

[(1, 15311840), (2, 7655920), (4, 3827960), (5, 3062368), (8, 1913980), (10, 1531184), (16, 956990), (20, 765592), (32, 478495), (40, 382796), (80, 191398), (83, 184480), (160, 95699), (166, 92240), (332, 46120), (415, 36896), (664, 23060), (830, 18448), (1153, 13280), (1328, 11530), (1660, 9224), (2306, 6640), (2656, 5765), (3320, 4612)]