81766960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8447}}^1$

素因数の和:8482

約数の個数: 60

約数和(自身を含む): 208986624

約数和(自身を除く): 127219664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8447, 9680, 16894, 33788, 42235, 67576, 84470, 92917, 135152, 168940, 185834, 337880, 371668, 464585, 675760, 743336, 929170, 1022087, 1486672, 1858340, 2044174, 3716680, 4088348, 5110435, 7433360, 8176696, 10220870, 16353392, 20441740, 40883480, 81766960]

約数ペア:

[(1, 81766960), (2, 40883480), (4, 20441740), (5, 16353392), (8, 10220870), (10, 8176696), (11, 7433360), (16, 5110435), (20, 4088348), (22, 3716680), (40, 2044174), (44, 1858340), (55, 1486672), (80, 1022087), (88, 929170), (110, 743336), (121, 675760), (176, 464585), (220, 371668), (242, 337880), (440, 185834), (484, 168940), (605, 135152), (880, 92917), (968, 84470), (1210, 67576), (1936, 42235), (2420, 33788), (4840, 16894), (8447, 9680)]