81127860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122921}}^1$

素因数の和:122944

約数の個数: 48

約数和(自身を含む): 247810752

約数和(自身を除く): 166682892

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, 122921, 245842, 368763, 491684, 614605, 737526, 1229210, 1352131, 1475052, 1843815, 2458420, 2704262, 3687630, 4056393, 5408524, 6760655, 7375260, 8112786, 13521310, 16225572, 20281965, 27042620, 40563930, 81127860]

約数ペア:

[(1, 81127860), (2, 40563930), (3, 27042620), (4, 20281965), (5, 16225572), (6, 13521310), (10, 8112786), (11, 7375260), (12, 6760655), (15, 5408524), (20, 4056393), (22, 3687630), (30, 2704262), (33, 2458420), (44, 1843815), (55, 1475052), (60, 1352131), (66, 1229210), (110, 737526), (132, 614605), (165, 491684), (220, 368763), (330, 245842), (660, 122921)]