328926360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{391579}}^1$

素因数の和:391600

約数の個数: 64

約数和(自身を含む): 1127750400

約数和(自身を除く): 798824040

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, 840, 391579, 783158, 1174737, 1566316, 1957895, 2349474, 2741053, 3132632, 3915790, 4698948, 5482106, 5873685, 7831580, 8223159, 9397896, 10964212, 11747370, 13705265, 15663160, 16446318, 21928424, 23494740, 27410530, 32892636, 41115795, 46989480, 54821060, 65785272, 82231590, 109642120, 164463180, 328926360]

約数ペア:

[(1, 328926360), (2, 164463180), (3, 109642120), (4, 82231590), (5, 65785272), (6, 54821060), (7, 46989480), (8, 41115795), (10, 32892636), (12, 27410530), (14, 23494740), (15, 21928424), (20, 16446318), (21, 15663160), (24, 13705265), (28, 11747370), (30, 10964212), (35, 9397896), (40, 8223159), (42, 7831580), (56, 5873685), (60, 5482106), (70, 4698948), (84, 3915790), (105, 3132632), (120, 2741053), (140, 2349474), (168, 1957895), (210, 1566316), (280, 1174737), (420, 783158), (840, 391579)]