1661360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 4069680

約数和(自身を除く): 2408320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1093, 1520, 2186, 4372, 5465, 8744, 10930, 17488, 20767, 21860, 41534, 43720, 83068, 87440, 103835, 166136, 207670, 332272, 415340, 830680, 1661360]

約数ペア:

[(1, 1661360), (2, 830680), (4, 415340), (5, 332272), (8, 207670), (10, 166136), (16, 103835), (19, 87440), (20, 83068), (38, 43720), (40, 41534), (76, 21860), (80, 20767), (95, 17488), (152, 10930), (190, 8744), (304, 5465), (380, 4372), (760, 2186), (1093, 1520)]