15407380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 33529104

約数和(自身を除く): 18121724

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 173, 244, 292, 305, 346, 365, 610, 692, 730, 865, 1220, 1460, 1730, 3460, 4453, 8906, 10553, 12629, 17812, 21106, 22265, 25258, 42212, 44530, 50516, 52765, 63145, 89060, 105530, 126290, 211060, 252580, 770369, 1540738, 3081476, 3851845, 7703690, 15407380]

約数ペア:

[(1, 15407380), (2, 7703690), (4, 3851845), (5, 3081476), (10, 1540738), (20, 770369), (61, 252580), (73, 211060), (122, 126290), (146, 105530), (173, 89060), (244, 63145), (292, 52765), (305, 50516), (346, 44530), (365, 42212), (610, 25258), (692, 22265), (730, 21106), (865, 17812), (1220, 12629), (1460, 10553), (1730, 8906), (3460, 4453)]