1399140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2591}}^1$

素因数の和:2609

約数の個数: 48

約数和(自身を含む): 4354560

約数和(自身を除く): 2955420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2591, 5182, 7773, 10364, 12955, 15546, 23319, 25910, 31092, 38865, 46638, 51820, 69957, 77730, 93276, 116595, 139914, 155460, 233190, 279828, 349785, 466380, 699570, 1399140]

約数ペア:

[(1, 1399140), (2, 699570), (3, 466380), (4, 349785), (5, 279828), (6, 233190), (9, 155460), (10, 139914), (12, 116595), (15, 93276), (18, 77730), (20, 69957), (27, 51820), (30, 46638), (36, 38865), (45, 31092), (54, 25910), (60, 23319), (90, 15546), (108, 12955), (135, 10364), (180, 7773), (270, 5182), (540, 2591)]