180921620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{74761}}^1$

素因数の和:74792

約数の個数: 36

約数和(自身を含む): 417620532

約数和(自身を除く): 236698912

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 74761, 149522, 299044, 373805, 747610, 822371, 1495220, 1644742, 3289484, 4111855, 8223710, 9046081, 16447420, 18092162, 36184324, 45230405, 90460810, 180921620]

約数ペア:

[(1, 180921620), (2, 90460810), (4, 45230405), (5, 36184324), (10, 18092162), (11, 16447420), (20, 9046081), (22, 8223710), (44, 4111855), (55, 3289484), (110, 1644742), (121, 1495220), (220, 822371), (242, 747610), (484, 373805), (605, 299044), (1210, 149522), (2420, 74761)]