156123880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32257}}^1$

素因数の和:32290

約数の個数: 48

約数和(自身を含む): 386128260

約数和(自身を除く): 230004380

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 32257, 64514, 129028, 161285, 258056, 322570, 354827, 645140, 709654, 1290280, 1419308, 1774135, 2838616, 3548270, 3903097, 7096540, 7806194, 14193080, 15612388, 19515485, 31224776, 39030970, 78061940, 156123880]

約数ペア:

[(1, 156123880), (2, 78061940), (4, 39030970), (5, 31224776), (8, 19515485), (10, 15612388), (11, 14193080), (20, 7806194), (22, 7096540), (40, 3903097), (44, 3548270), (55, 2838616), (88, 1774135), (110, 1419308), (121, 1290280), (220, 709654), (242, 645140), (440, 354827), (484, 322570), (605, 258056), (968, 161285), (1210, 129028), (2420, 64514), (4840, 32257)]