165707920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{593}}^1$

素因数の和:1112

約数の個数: 80

約数和(自身を含む): 441936000

約数和(自身を除く): 276228080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 499, 560, 593, 998, 1186, 1996, 2372, 2495, 2965, 3493, 3992, 4151, 4744, 4990, 5930, 6986, 7984, 8302, 9488, 9980, 11860, 13972, 16604, 17465, 19960, 20755, 23720, 27944, 33208, 34930, 39920, 41510, 47440, 55888, 66416, 69860, 83020, 139720, 166040, 279440, 295907, 332080, 591814, 1183628, 1479535, 2071349, 2367256, 2959070, 4142698, 4734512, 5918140, 8285396, 10356745, 11836280, 16570792, 20713490, 23672560, 33141584, 41426980, 82853960, 165707920]

約数ペア:

[(1, 165707920), (2, 82853960), (4, 41426980), (5, 33141584), (7, 23672560), (8, 20713490), (10, 16570792), (14, 11836280), (16, 10356745), (20, 8285396), (28, 5918140), (35, 4734512), (40, 4142698), (56, 2959070), (70, 2367256), (80, 2071349), (112, 1479535), (140, 1183628), (280, 591814), (499, 332080), (560, 295907), (593, 279440), (998, 166040), (1186, 139720), (1996, 83020), (2372, 69860), (2495, 66416), (2965, 55888), (3493, 47440), (3992, 41510), (4151, 39920), (4744, 34930), (4990, 33208), (5930, 27944), (6986, 23720), (7984, 20755), (8302, 19960), (9488, 17465), (9980, 16604), (11860, 13972)]