1211117220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{3761}}^1$

素因数の和:5565

約数の個数: 72

約数和(自身を含む): 3676753080

約数和(自身を除く): 2465635860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1789, 3578, 3761, 5367, 7156, 7522, 8945, 10734, 11283, 15044, 16101, 17890, 18805, 21468, 22566, 26835, 32202, 33849, 35780, 37610, 45132, 53670, 56415, 64404, 67698, 75220, 80505, 107340, 112830, 135396, 161010, 169245, 225660, 322020, 338490, 676980, 6728429, 13456858, 20185287, 26913716, 33642145, 40370574, 60555861, 67284290, 80741148, 100926435, 121111722, 134568580, 201852870, 242223444, 302779305, 403705740, 605558610, 1211117220]

約数ペア:

[(1, 1211117220), (2, 605558610), (3, 403705740), (4, 302779305), (5, 242223444), (6, 201852870), (9, 134568580), (10, 121111722), (12, 100926435), (15, 80741148), (18, 67284290), (20, 60555861), (30, 40370574), (36, 33642145), (45, 26913716), (60, 20185287), (90, 13456858), (180, 6728429), (1789, 676980), (3578, 338490), (3761, 322020), (5367, 225660), (7156, 169245), (7522, 161010), (8945, 135396), (10734, 112830), (11283, 107340), (15044, 80505), (16101, 75220), (17890, 67698), (18805, 64404), (21468, 56415), (22566, 53670), (26835, 45132), (32202, 37610), (33849, 35780)]