2415540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 6838272

約数和(自身を除く): 4422732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 317, 381, 508, 634, 635, 762, 951, 1268, 1270, 1524, 1585, 1902, 1905, 2540, 3170, 3804, 3810, 4755, 6340, 7620, 9510, 19020, 40259, 80518, 120777, 161036, 201295, 241554, 402590, 483108, 603885, 805180, 1207770, 2415540]

約数ペア:

[(1, 2415540), (2, 1207770), (3, 805180), (4, 603885), (5, 483108), (6, 402590), (10, 241554), (12, 201295), (15, 161036), (20, 120777), (30, 80518), (60, 40259), (127, 19020), (254, 9510), (317, 7620), (381, 6340), (508, 4755), (634, 3810), (635, 3804), (762, 3170), (951, 2540), (1268, 1905), (1270, 1902), (1524, 1585)]