26820540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 82162080

約数和(自身を除く): 55341540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1367, 1635, 1962, 2180, 2734, 3270, 3924, 4101, 4905, 5468, 6540, 6835, 8202, 9810, 12303, 13670, 16404, 19620, 20505, 24606, 27340, 41010, 49212, 61515, 82020, 123030, 149003, 246060, 298006, 447009, 596012, 745015, 894018, 1341027, 1490030, 1788036, 2235045, 2682054, 2980060, 4470090, 5364108, 6705135, 8940180, 13410270, 26820540]

約数ペア:

[(1, 26820540), (2, 13410270), (3, 8940180), (4, 6705135), (5, 5364108), (6, 4470090), (9, 2980060), (10, 2682054), (12, 2235045), (15, 1788036), (18, 1490030), (20, 1341027), (30, 894018), (36, 745015), (45, 596012), (60, 447009), (90, 298006), (109, 246060), (180, 149003), (218, 123030), (327, 82020), (436, 61515), (545, 49212), (654, 41010), (981, 27340), (1090, 24606), (1308, 20505), (1367, 19620), (1635, 16404), (1962, 13670), (2180, 12303), (2734, 9810), (3270, 8202), (3924, 6835), (4101, 6540), (4905, 5468)]