1680570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 4447872

約数和(自身を除く): 2767302

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 263, 355, 426, 526, 639, 710, 789, 1065, 1278, 1315, 1578, 2130, 2367, 2630, 3195, 3945, 4734, 6390, 7890, 11835, 18673, 23670, 37346, 56019, 93365, 112038, 168057, 186730, 280095, 336114, 560190, 840285, 1680570]

約数ペア:

[(1, 1680570), (2, 840285), (3, 560190), (5, 336114), (6, 280095), (9, 186730), (10, 168057), (15, 112038), (18, 93365), (30, 56019), (45, 37346), (71, 23670), (90, 18673), (142, 11835), (213, 7890), (263, 6390), (355, 4734), (426, 3945), (526, 3195), (639, 2630), (710, 2367), (789, 2130), (1065, 1578), (1278, 1315)]