82880520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1979}}^1$

素因数の和:2342

約数の個数: 64

約数和(自身を含む): 249480000

約数和(自身を除く): 166599480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 1047, 1396, 1745, 1979, 2094, 2792, 3490, 3958, 4188, 5235, 5937, 6980, 7916, 8376, 9895, 10470, 11874, 13960, 15832, 19790, 20940, 23748, 29685, 39580, 41880, 47496, 59370, 79160, 118740, 237480, 690671, 1381342, 2072013, 2762684, 3453355, 4144026, 5525368, 6906710, 8288052, 10360065, 13813420, 16576104, 20720130, 27626840, 41440260, 82880520]

約数ペア:

[(1, 82880520), (2, 41440260), (3, 27626840), (4, 20720130), (5, 16576104), (6, 13813420), (8, 10360065), (10, 8288052), (12, 6906710), (15, 5525368), (20, 4144026), (24, 3453355), (30, 2762684), (40, 2072013), (60, 1381342), (120, 690671), (349, 237480), (698, 118740), (1047, 79160), (1396, 59370), (1745, 47496), (1979, 41880), (2094, 39580), (2792, 29685), (3490, 23748), (3958, 20940), (4188, 19790), (5235, 15832), (5937, 13960), (6980, 11874), (7916, 10470), (8376, 9895)]