16860120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 51084000

約数和(自身を除く): 34223880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1289, 1308, 1635, 2180, 2578, 2616, 3270, 3867, 4360, 5156, 6445, 6540, 7734, 10312, 12890, 13080, 15468, 19335, 25780, 30936, 38670, 51560, 77340, 140501, 154680, 281002, 421503, 562004, 702505, 843006, 1124008, 1405010, 1686012, 2107515, 2810020, 3372024, 4215030, 5620040, 8430060, 16860120]

約数ペア:

[(1, 16860120), (2, 8430060), (3, 5620040), (4, 4215030), (5, 3372024), (6, 2810020), (8, 2107515), (10, 1686012), (12, 1405010), (15, 1124008), (20, 843006), (24, 702505), (30, 562004), (40, 421503), (60, 281002), (109, 154680), (120, 140501), (218, 77340), (327, 51560), (436, 38670), (545, 30936), (654, 25780), (872, 19335), (1090, 15468), (1289, 13080), (1308, 12890), (1635, 10312), (2180, 7734), (2578, 6540), (2616, 6445), (3270, 5156), (3867, 4360)]