51620730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 142172928

約数和(自身を除く): 90552198

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 401, 613, 802, 1203, 1226, 1839, 2005, 2406, 2807, 3065, 3678, 4010, 4291, 5614, 6015, 6130, 8421, 8582, 9195, 12030, 12873, 14035, 16842, 18390, 21455, 25746, 28070, 42105, 42910, 64365, 84210, 128730, 245813, 491626, 737439, 1229065, 1474878, 1720691, 2458130, 3441382, 3687195, 5162073, 7374390, 8603455, 10324146, 17206910, 25810365, 51620730]

約数ペア:

[(1, 51620730), (2, 25810365), (3, 17206910), (5, 10324146), (6, 8603455), (7, 7374390), (10, 5162073), (14, 3687195), (15, 3441382), (21, 2458130), (30, 1720691), (35, 1474878), (42, 1229065), (70, 737439), (105, 491626), (210, 245813), (401, 128730), (613, 84210), (802, 64365), (1203, 42910), (1226, 42105), (1839, 28070), (2005, 25746), (2406, 21455), (2807, 18390), (3065, 16842), (3678, 14035), (4010, 12873), (4291, 12030), (5614, 9195), (6015, 8582), (6130, 8421)]