16558440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3266

約数の個数: 64

約数和(自身を含む): 50846400

約数和(自身を除く): 34287960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3209, 5160, 6418, 9627, 12836, 16045, 19254, 25672, 32090, 38508, 48135, 64180, 77016, 96270, 128360, 137987, 192540, 275974, 385080, 413961, 551948, 689935, 827922, 1103896, 1379870, 1655844, 2069805, 2759740, 3311688, 4139610, 5519480, 8279220, 16558440]

約数ペア:

[(1, 16558440), (2, 8279220), (3, 5519480), (4, 4139610), (5, 3311688), (6, 2759740), (8, 2069805), (10, 1655844), (12, 1379870), (15, 1103896), (20, 827922), (24, 689935), (30, 551948), (40, 413961), (43, 385080), (60, 275974), (86, 192540), (120, 137987), (129, 128360), (172, 96270), (215, 77016), (258, 64180), (344, 48135), (430, 38508), (516, 32090), (645, 25672), (860, 19254), (1032, 16045), (1290, 12836), (1720, 9627), (2580, 6418), (3209, 5160)]