266820540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{635287}}^1$

素因数の和:635306

約数の個数: 48

約数和(自身を含む): 853827072

約数和(自身を除く): 587006532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 635287, 1270574, 1905861, 2541148, 3176435, 3811722, 4447009, 6352870, 7623444, 8894018, 9529305, 12705740, 13341027, 17788036, 19058610, 22235045, 26682054, 38117220, 44470090, 53364108, 66705135, 88940180, 133410270, 266820540]

約数ペア:

[(1, 266820540), (2, 133410270), (3, 88940180), (4, 66705135), (5, 53364108), (6, 44470090), (7, 38117220), (10, 26682054), (12, 22235045), (14, 19058610), (15, 17788036), (20, 13341027), (21, 12705740), (28, 9529305), (30, 8894018), (35, 7623444), (42, 6352870), (60, 4447009), (70, 3811722), (84, 3176435), (105, 2541148), (140, 1905861), (210, 1270574), (420, 635287)]