57148720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 139946400

約数和(自身を除く): 82797680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 449, 592, 688, 740, 860, 898, 1480, 1591, 1720, 1796, 2245, 2960, 3182, 3440, 3592, 4490, 6364, 7184, 7955, 8980, 12728, 15910, 16613, 17960, 19307, 25456, 31820, 33226, 35920, 38614, 63640, 66452, 77228, 83065, 96535, 127280, 132904, 154456, 166130, 193070, 265808, 308912, 332260, 386140, 664520, 714359, 772280, 1329040, 1428718, 1544560, 2857436, 3571795, 5714872, 7143590, 11429744, 14287180, 28574360, 57148720]

約数ペア:

[(1, 57148720), (2, 28574360), (4, 14287180), (5, 11429744), (8, 7143590), (10, 5714872), (16, 3571795), (20, 2857436), (37, 1544560), (40, 1428718), (43, 1329040), (74, 772280), (80, 714359), (86, 664520), (148, 386140), (172, 332260), (185, 308912), (215, 265808), (296, 193070), (344, 166130), (370, 154456), (430, 132904), (449, 127280), (592, 96535), (688, 83065), (740, 77228), (860, 66452), (898, 63640), (1480, 38614), (1591, 35920), (1720, 33226), (1796, 31820), (2245, 25456), (2960, 19307), (3182, 17960), (3440, 16613), (3592, 15910), (4490, 12728), (6364, 8980), (7184, 7955)]