7720720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 21748608

約数和(自身を除く): 14027888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 811, 952, 1190, 1360, 1622, 1904, 2380, 3244, 4055, 4760, 5677, 6488, 8110, 9520, 11354, 12976, 13787, 16220, 22708, 27574, 28385, 32440, 45416, 55148, 56770, 64880, 68935, 90832, 96509, 110296, 113540, 137870, 193018, 220592, 227080, 275740, 386036, 454160, 482545, 551480, 772072, 965090, 1102960, 1544144, 1930180, 3860360, 7720720]

約数ペア:

[(1, 7720720), (2, 3860360), (4, 1930180), (5, 1544144), (7, 1102960), (8, 965090), (10, 772072), (14, 551480), (16, 482545), (17, 454160), (20, 386036), (28, 275740), (34, 227080), (35, 220592), (40, 193018), (56, 137870), (68, 113540), (70, 110296), (80, 96509), (85, 90832), (112, 68935), (119, 64880), (136, 56770), (140, 55148), (170, 45416), (238, 32440), (272, 28385), (280, 27574), (340, 22708), (476, 16220), (560, 13787), (595, 12976), (680, 11354), (811, 9520), (952, 8110), (1190, 6488), (1360, 5677), (1622, 4760), (1904, 4055), (2380, 3244)]