15409820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 34872768

約数和(自身を除く): 19462948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 743, 1037, 1220, 1486, 2074, 2972, 3715, 4148, 5185, 7430, 10370, 12631, 14860, 20740, 25262, 45323, 50524, 63155, 90646, 126310, 181292, 226615, 252620, 453230, 770491, 906460, 1540982, 3081964, 3852455, 7704910, 15409820]

約数ペア:

[(1, 15409820), (2, 7704910), (4, 3852455), (5, 3081964), (10, 1540982), (17, 906460), (20, 770491), (34, 453230), (61, 252620), (68, 226615), (85, 181292), (122, 126310), (170, 90646), (244, 63155), (305, 50524), (340, 45323), (610, 25262), (743, 20740), (1037, 14860), (1220, 12631), (1486, 10370), (2074, 7430), (2972, 5185), (3715, 4148)]