16718220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 51171120

約数和(自身を除く): 34452900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 709, 786, 1179, 1310, 1418, 1572, 1965, 2127, 2358, 2620, 2836, 3545, 3930, 4254, 4716, 5895, 6381, 7090, 7860, 8508, 10635, 11790, 12762, 14180, 21270, 23580, 25524, 31905, 42540, 63810, 92879, 127620, 185758, 278637, 371516, 464395, 557274, 835911, 928790, 1114548, 1393185, 1671822, 1857580, 2786370, 3343644, 4179555, 5572740, 8359110, 16718220]

約数ペア:

[(1, 16718220), (2, 8359110), (3, 5572740), (4, 4179555), (5, 3343644), (6, 2786370), (9, 1857580), (10, 1671822), (12, 1393185), (15, 1114548), (18, 928790), (20, 835911), (30, 557274), (36, 464395), (45, 371516), (60, 278637), (90, 185758), (131, 127620), (180, 92879), (262, 63810), (393, 42540), (524, 31905), (655, 25524), (709, 23580), (786, 21270), (1179, 14180), (1310, 12762), (1418, 11790), (1572, 10635), (1965, 8508), (2127, 7860), (2358, 7090), (2620, 6381), (2836, 5895), (3545, 4716), (3930, 4254)]