19687440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82031}}^1$

素因数の和:82047

約数の個数: 40

約数和(自身を含む): 61031808

約数和(自身を除く): 41344368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82031, 164062, 246093, 328124, 410155, 492186, 656248, 820310, 984372, 1230465, 1312496, 1640620, 1968744, 2460930, 3281240, 3937488, 4921860, 6562480, 9843720, 19687440]

約数ペア:

[(1, 19687440), (2, 9843720), (3, 6562480), (4, 4921860), (5, 3937488), (6, 3281240), (8, 2460930), (10, 1968744), (12, 1640620), (15, 1312496), (16, 1230465), (20, 984372), (24, 820310), (30, 656248), (40, 492186), (48, 410155), (60, 328124), (80, 246093), (120, 164062), (240, 82031)]