518280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{617}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 1779840

約数和(自身を除く): 1261560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 617, 840, 1234, 1851, 2468, 3085, 3702, 4319, 4936, 6170, 7404, 8638, 9255, 12340, 12957, 14808, 17276, 18510, 21595, 24680, 25914, 34552, 37020, 43190, 51828, 64785, 74040, 86380, 103656, 129570, 172760, 259140, 518280]

約数ペア:

[(1, 518280), (2, 259140), (3, 172760), (4, 129570), (5, 103656), (6, 86380), (7, 74040), (8, 64785), (10, 51828), (12, 43190), (14, 37020), (15, 34552), (20, 25914), (21, 24680), (24, 21595), (28, 18510), (30, 17276), (35, 14808), (40, 12957), (42, 12340), (56, 9255), (60, 8638), (70, 7404), (84, 6170), (105, 4936), (120, 4319), (140, 3702), (168, 3085), (210, 2468), (280, 1851), (420, 1234), (617, 840)]