8899140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 25280640

約数和(自身を除く): 16381500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2089, 2130, 4178, 4260, 6267, 8356, 10445, 12534, 20890, 25068, 31335, 41780, 62670, 125340, 148319, 296638, 444957, 593276, 741595, 889914, 1483190, 1779828, 2224785, 2966380, 4449570, 8899140]

約数ペア:

[(1, 8899140), (2, 4449570), (3, 2966380), (4, 2224785), (5, 1779828), (6, 1483190), (10, 889914), (12, 741595), (15, 593276), (20, 444957), (30, 296638), (60, 148319), (71, 125340), (142, 62670), (213, 41780), (284, 31335), (355, 25068), (426, 20890), (710, 12534), (852, 10445), (1065, 8356), (1420, 6267), (2089, 4260), (2130, 4178)]