31572180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19489}}^1$

素因数の和:19510

約数の個数: 60

約数和(自身を含む): 99048180

約数和(自身を除く): 67476000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19489, 38978, 58467, 77956, 97445, 116934, 175401, 194890, 233868, 292335, 350802, 389780, 526203, 584670, 701604, 877005, 1052406, 1169340, 1578609, 1754010, 2104812, 2631015, 3157218, 3508020, 5262030, 6314436, 7893045, 10524060, 15786090, 31572180]

約数ペア:

[(1, 31572180), (2, 15786090), (3, 10524060), (4, 7893045), (5, 6314436), (6, 5262030), (9, 3508020), (10, 3157218), (12, 2631015), (15, 2104812), (18, 1754010), (20, 1578609), (27, 1169340), (30, 1052406), (36, 877005), (45, 701604), (54, 584670), (60, 526203), (81, 389780), (90, 350802), (108, 292335), (135, 233868), (162, 194890), (180, 175401), (270, 116934), (324, 97445), (405, 77956), (540, 58467), (810, 38978), (1620, 19489)]