131160320

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2447

約数の個数: 72

約数和(自身を含む): 321611136

約数和(自身を除く): 190450816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2383, 2752, 3440, 4766, 5504, 6880, 9532, 11008, 11915, 13760, 19064, 23830, 27520, 38128, 47660, 55040, 76256, 95320, 102469, 152512, 190640, 204938, 305024, 381280, 409876, 512345, 610048, 762560, 819752, 1024690, 1525120, 1639504, 2049380, 3050240, 3279008, 4098760, 6558016, 8197520, 13116032, 16395040, 26232064, 32790080, 65580160, 131160320]

約数ペア:

[(1, 131160320), (2, 65580160), (4, 32790080), (5, 26232064), (8, 16395040), (10, 13116032), (16, 8197520), (20, 6558016), (32, 4098760), (40, 3279008), (43, 3050240), (64, 2049380), (80, 1639504), (86, 1525120), (128, 1024690), (160, 819752), (172, 762560), (215, 610048), (256, 512345), (320, 409876), (344, 381280), (430, 305024), (640, 204938), (688, 190640), (860, 152512), (1280, 102469), (1376, 95320), (1720, 76256), (2383, 55040), (2752, 47660), (3440, 38128), (4766, 27520), (5504, 23830), (6880, 19064), (9532, 13760), (11008, 11915)]