160055720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 395841600

約数和(自身を除く): 235785880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 2617, 2780, 3058, 5234, 5560, 6116, 7645, 10468, 12232, 13085, 15290, 20936, 26170, 28787, 30580, 52340, 57574, 61160, 104680, 115148, 143935, 230296, 287870, 363763, 575740, 727526, 1151480, 1455052, 1818815, 2910104, 3637630, 4001393, 7275260, 8002786, 14550520, 16005572, 20006965, 32011144, 40013930, 80027860, 160055720]

約数ペア:

[(1, 160055720), (2, 80027860), (4, 40013930), (5, 32011144), (8, 20006965), (10, 16005572), (11, 14550520), (20, 8002786), (22, 7275260), (40, 4001393), (44, 3637630), (55, 2910104), (88, 1818815), (110, 1455052), (139, 1151480), (220, 727526), (278, 575740), (440, 363763), (556, 287870), (695, 230296), (1112, 143935), (1390, 115148), (1529, 104680), (2617, 61160), (2780, 57574), (3058, 52340), (5234, 30580), (5560, 28787), (6116, 26170), (7645, 20936), (10468, 15290), (12232, 13085)]