123720080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12781}}^1$

素因数の和:12816

約数の個数: 60

約数和(自身を含む): 316201116

約数和(自身を除く): 192481036

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, 9680, 12781, 25562, 51124, 63905, 102248, 127810, 140591, 204496, 255620, 281182, 511240, 562364, 702955, 1022480, 1124728, 1405910, 1546501, 2249456, 2811820, 3093002, 5623640, 6186004, 7732505, 11247280, 12372008, 15465010, 24744016, 30930020, 61860040, 123720080]

約数ペア:

[(1, 123720080), (2, 61860040), (4, 30930020), (5, 24744016), (8, 15465010), (10, 12372008), (11, 11247280), (16, 7732505), (20, 6186004), (22, 5623640), (40, 3093002), (44, 2811820), (55, 2249456), (80, 1546501), (88, 1405910), (110, 1124728), (121, 1022480), (176, 702955), (220, 562364), (242, 511240), (440, 281182), (484, 255620), (605, 204496), (880, 140591), (968, 127810), (1210, 102248), (1936, 63905), (2420, 51124), (4840, 25562), (9680, 12781)]