16861080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 34460520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 1979, 2130, 2840, 3958, 4260, 5937, 7916, 8520, 9895, 11874, 15832, 19790, 23748, 29685, 39580, 47496, 59370, 79160, 118740, 140509, 237480, 281018, 421527, 562036, 702545, 843054, 1124072, 1405090, 1686108, 2107635, 2810180, 3372216, 4215270, 5620360, 8430540, 16861080]

約数ペア:

[(1, 16861080), (2, 8430540), (3, 5620360), (4, 4215270), (5, 3372216), (6, 2810180), (8, 2107635), (10, 1686108), (12, 1405090), (15, 1124072), (20, 843054), (24, 702545), (30, 562036), (40, 421527), (60, 281018), (71, 237480), (120, 140509), (142, 118740), (213, 79160), (284, 59370), (355, 47496), (426, 39580), (568, 29685), (710, 23748), (852, 19790), (1065, 15832), (1420, 11874), (1704, 9895), (1979, 8520), (2130, 7916), (2840, 5937), (3958, 4260)]