71812845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 152409600

約数和(自身を除く): 80596755

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 29, 39, 45, 51, 65, 83, 85, 87, 117, 135, 145, 153, 195, 221, 249, 255, 261, 351, 377, 415, 435, 459, 493, 585, 663, 747, 765, 783, 1079, 1105, 1131, 1245, 1305, 1411, 1479, 1755, 1885, 1989, 2241, 2295, 2407, 2465, 3237, 3315, 3393, 3735, 3915, 4233, 4437, 5395, 5655, 5967, 6409, 7055, 7221, 7395, 9711, 9945, 10179, 11205, 12035, 12699, 13311, 16185, 16965, 18343, 19227, 21165, 21663, 22185, 29133, 29835, 31291, 32045, 36105, 38097, 40919, 48555, 50895, 55029, 57681, 63495, 64989, 66555, 91715, 93873, 96135, 108315, 122757, 145665, 156455, 165087, 173043, 190485, 204595, 275145, 281619, 288405, 324945, 368271, 469365, 495261, 531947, 613785, 825435, 844857, 865215, 1104813, 1408095, 1595841, 1841355, 2476305, 2659735, 4224285, 4787523, 5524065, 7979205, 14362569, 23937615, 71812845]

約数ペア:

[(1, 71812845), (3, 23937615), (5, 14362569), (9, 7979205), (13, 5524065), (15, 4787523), (17, 4224285), (27, 2659735), (29, 2476305), (39, 1841355), (45, 1595841), (51, 1408095), (65, 1104813), (83, 865215), (85, 844857), (87, 825435), (117, 613785), (135, 531947), (145, 495261), (153, 469365), (195, 368271), (221, 324945), (249, 288405), (255, 281619), (261, 275145), (351, 204595), (377, 190485), (415, 173043), (435, 165087), (459, 156455), (493, 145665), (585, 122757), (663, 108315), (747, 96135), (765, 93873), (783, 91715), (1079, 66555), (1105, 64989), (1131, 63495), (1245, 57681), (1305, 55029), (1411, 50895), (1479, 48555), (1755, 40919), (1885, 38097), (1989, 36105), (2241, 32045), (2295, 31291), (2407, 29835), (2465, 29133), (3237, 22185), (3315, 21663), (3393, 21165), (3735, 19227), (3915, 18343), (4233, 16965), (4437, 16185), (5395, 13311), (5655, 12699), (5967, 12035), (6409, 11205), (7055, 10179), (7221, 9945), (7395, 9711)]