207928620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{128351}}^1$

素因数の和:128372

約数の個数: 60

約数和(自身を含む): 652284864

約数和(自身を除く): 444356244

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, 128351, 256702, 385053, 513404, 641755, 770106, 1155159, 1283510, 1540212, 1925265, 2310318, 2567020, 3465477, 3850530, 4620636, 5775795, 6930954, 7701060, 10396431, 11551590, 13861908, 17327385, 20792862, 23103180, 34654770, 41585724, 51982155, 69309540, 103964310, 207928620]

約数ペア:

[(1, 207928620), (2, 103964310), (3, 69309540), (4, 51982155), (5, 41585724), (6, 34654770), (9, 23103180), (10, 20792862), (12, 17327385), (15, 13861908), (18, 11551590), (20, 10396431), (27, 7701060), (30, 6930954), (36, 5775795), (45, 4620636), (54, 3850530), (60, 3465477), (81, 2567020), (90, 2310318), (108, 1925265), (135, 1540212), (162, 1283510), (180, 1155159), (270, 770106), (324, 641755), (405, 513404), (540, 385053), (810, 256702), (1620, 128351)]