2589420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 4748820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 419, 515, 618, 838, 1030, 1236, 1257, 1545, 1676, 2060, 2095, 2514, 3090, 4190, 5028, 6180, 6285, 8380, 12570, 25140, 43157, 86314, 129471, 172628, 215785, 258942, 431570, 517884, 647355, 863140, 1294710, 2589420]

約数ペア:

[(1, 2589420), (2, 1294710), (3, 863140), (4, 647355), (5, 517884), (6, 431570), (10, 258942), (12, 215785), (15, 172628), (20, 129471), (30, 86314), (60, 43157), (103, 25140), (206, 12570), (309, 8380), (412, 6285), (419, 6180), (515, 5028), (618, 4190), (838, 3090), (1030, 2514), (1236, 2095), (1257, 2060), (1545, 1676)]