661575810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{4003}}^1$

素因数の和:4807

約数の個数: 64

約数和(自身を含む): 1817367552

約数和(自身を除く): 1155791742

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 787, 1574, 2361, 3935, 4003, 4722, 5509, 7870, 8006, 11018, 11805, 12009, 16527, 20015, 23610, 24018, 27545, 28021, 33054, 40030, 55090, 56042, 60045, 82635, 84063, 120090, 140105, 165270, 168126, 280210, 420315, 840630, 3150361, 6300722, 9451083, 15751805, 18902166, 22052527, 31503610, 44105054, 47255415, 66157581, 94510830, 110262635, 132315162, 220525270, 330787905, 661575810]

約数ペア:

[(1, 661575810), (2, 330787905), (3, 220525270), (5, 132315162), (6, 110262635), (7, 94510830), (10, 66157581), (14, 47255415), (15, 44105054), (21, 31503610), (30, 22052527), (35, 18902166), (42, 15751805), (70, 9451083), (105, 6300722), (210, 3150361), (787, 840630), (1574, 420315), (2361, 280210), (3935, 168126), (4003, 165270), (4722, 140105), (5509, 120090), (7870, 84063), (8006, 82635), (11018, 60045), (11805, 56042), (12009, 55090), (16527, 40030), (20015, 33054), (23610, 28021), (24018, 27545)]