2175420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2814

約数の個数: 48

約数和(自身を含む): 6562080

約数和(自身を除く): 4386660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2789, 5578, 8367, 11156, 13945, 16734, 27890, 33468, 36257, 41835, 55780, 72514, 83670, 108771, 145028, 167340, 181285, 217542, 362570, 435084, 543855, 725140, 1087710, 2175420]

約数ペア:

[(1, 2175420), (2, 1087710), (3, 725140), (4, 543855), (5, 435084), (6, 362570), (10, 217542), (12, 181285), (13, 167340), (15, 145028), (20, 108771), (26, 83670), (30, 72514), (39, 55780), (52, 41835), (60, 36257), (65, 33468), (78, 27890), (130, 16734), (156, 13945), (195, 11156), (260, 8367), (390, 5578), (780, 2789)]