1385560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 3525120

約数和(自身を除く): 2139560

約数列:

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

約数ペア:

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