2771120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 7285248

約数和(自身を除く): 4514128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 67, 80, 88, 94, 110, 134, 176, 188, 220, 235, 268, 335, 376, 440, 470, 517, 536, 670, 737, 752, 880, 940, 1034, 1072, 1340, 1474, 1880, 2068, 2585, 2680, 2948, 3149, 3685, 3760, 4136, 5170, 5360, 5896, 6298, 7370, 8272, 10340, 11792, 12596, 14740, 15745, 20680, 25192, 29480, 31490, 34639, 41360, 50384, 58960, 62980, 69278, 125960, 138556, 173195, 251920, 277112, 346390, 554224, 692780, 1385560, 2771120]

約数ペア:

[(1, 2771120), (2, 1385560), (4, 692780), (5, 554224), (8, 346390), (10, 277112), (11, 251920), (16, 173195), (20, 138556), (22, 125960), (40, 69278), (44, 62980), (47, 58960), (55, 50384), (67, 41360), (80, 34639), (88, 31490), (94, 29480), (110, 25192), (134, 20680), (176, 15745), (188, 14740), (220, 12596), (235, 11792), (268, 10340), (335, 8272), (376, 7370), (440, 6298), (470, 5896), (517, 5360), (536, 5170), (670, 4136), (737, 3760), (752, 3685), (880, 3149), (940, 2948), (1034, 2680), (1072, 2585), (1340, 2068), (1474, 1880)]