1287660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1951}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 3935232

約数和(自身を除く): 2647572

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 1951, 3902, 5853, 7804, 9755, 11706, 19510, 21461, 23412, 29265, 39020, 42922, 58530, 64383, 85844, 107305, 117060, 128766, 214610, 257532, 321915, 429220, 643830, 1287660]

約数ペア:

[(1, 1287660), (2, 643830), (3, 429220), (4, 321915), (5, 257532), (6, 214610), (10, 128766), (11, 117060), (12, 107305), (15, 85844), (20, 64383), (22, 58530), (30, 42922), (33, 39020), (44, 29265), (55, 23412), (60, 21461), (66, 19510), (110, 11706), (132, 9755), (165, 7804), (220, 5853), (330, 3902), (660, 1951)]