8268720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 25926912

約数和(自身を除く): 17658192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 263, 393, 524, 526, 655, 786, 789, 1048, 1052, 1310, 1315, 1572, 1578, 1965, 2096, 2104, 2620, 2630, 3144, 3156, 3930, 3945, 4208, 5240, 5260, 6288, 6312, 7860, 7890, 10480, 10520, 12624, 15720, 15780, 21040, 31440, 31560, 34453, 63120, 68906, 103359, 137812, 172265, 206718, 275624, 344530, 413436, 516795, 551248, 689060, 826872, 1033590, 1378120, 1653744, 2067180, 2756240, 4134360, 8268720]

約数ペア:

[(1, 8268720), (2, 4134360), (3, 2756240), (4, 2067180), (5, 1653744), (6, 1378120), (8, 1033590), (10, 826872), (12, 689060), (15, 551248), (16, 516795), (20, 413436), (24, 344530), (30, 275624), (40, 206718), (48, 172265), (60, 137812), (80, 103359), (120, 68906), (131, 63120), (240, 34453), (262, 31560), (263, 31440), (393, 21040), (524, 15780), (526, 15720), (655, 12624), (786, 10520), (789, 10480), (1048, 7890), (1052, 7860), (1310, 6312), (1315, 6288), (1572, 5260), (1578, 5240), (1965, 4208), (2096, 3945), (2104, 3930), (2620, 3156), (2630, 3144)]