78931620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15121}}^1$

素因数の和:15165

約数の個数: 72

約数和(自身を含む): 247698360

約数和(自身を除く): 168766740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15121, 30242, 45363, 60484, 75605, 90726, 136089, 151210, 181452, 226815, 272178, 302420, 438509, 453630, 544356, 680445, 877018, 907260, 1315527, 1360890, 1754036, 2192545, 2631054, 2721780, 3946581, 4385090, 5262108, 6577635, 7893162, 8770180, 13155270, 15786324, 19732905, 26310540, 39465810, 78931620]

約数ペア:

[(1, 78931620), (2, 39465810), (3, 26310540), (4, 19732905), (5, 15786324), (6, 13155270), (9, 8770180), (10, 7893162), (12, 6577635), (15, 5262108), (18, 4385090), (20, 3946581), (29, 2721780), (30, 2631054), (36, 2192545), (45, 1754036), (58, 1360890), (60, 1315527), (87, 907260), (90, 877018), (116, 680445), (145, 544356), (174, 453630), (180, 438509), (261, 302420), (290, 272178), (348, 226815), (435, 181452), (522, 151210), (580, 136089), (870, 90726), (1044, 75605), (1305, 60484), (1740, 45363), (2610, 30242), (5220, 15121)]