19806240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41263}}^1$

素因数の和:41281

約数の個数: 48

約数和(自身を含む): 62391168

約数和(自身を除く): 42584928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41263, 82526, 123789, 165052, 206315, 247578, 330104, 412630, 495156, 618945, 660208, 825260, 990312, 1237890, 1320416, 1650520, 1980624, 2475780, 3301040, 3961248, 4951560, 6602080, 9903120, 19806240]

約数ペア:

[(1, 19806240), (2, 9903120), (3, 6602080), (4, 4951560), (5, 3961248), (6, 3301040), (8, 2475780), (10, 1980624), (12, 1650520), (15, 1320416), (16, 1237890), (20, 990312), (24, 825260), (30, 660208), (32, 618945), (40, 495156), (48, 412630), (60, 330104), (80, 247578), (96, 206315), (120, 165052), (160, 123789), (240, 82526), (480, 41263)]