621508720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8101}}^1$

素因数の和:8258

約数の個数: 80

約数和(自身を含む): 1663697088

約数和(自身を除く): 1042188368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 548, 560, 685, 959, 1096, 1370, 1918, 2192, 2740, 3836, 4795, 5480, 7672, 8101, 9590, 10960, 15344, 16202, 19180, 32404, 38360, 40505, 56707, 64808, 76720, 81010, 113414, 129616, 162020, 226828, 283535, 324040, 453656, 567070, 648080, 907312, 1109837, 1134140, 2219674, 2268280, 4439348, 4536560, 5549185, 7768859, 8878696, 11098370, 15537718, 17757392, 22196740, 31075436, 38844295, 44393480, 62150872, 77688590, 88786960, 124301744, 155377180, 310754360, 621508720]

約数ペア:

[(1, 621508720), (2, 310754360), (4, 155377180), (5, 124301744), (7, 88786960), (8, 77688590), (10, 62150872), (14, 44393480), (16, 38844295), (20, 31075436), (28, 22196740), (35, 17757392), (40, 15537718), (56, 11098370), (70, 8878696), (80, 7768859), (112, 5549185), (137, 4536560), (140, 4439348), (274, 2268280), (280, 2219674), (548, 1134140), (560, 1109837), (685, 907312), (959, 648080), (1096, 567070), (1370, 453656), (1918, 324040), (2192, 283535), (2740, 226828), (3836, 162020), (4795, 129616), (5480, 113414), (7672, 81010), (8101, 76720), (9590, 64808), (10960, 56707), (15344, 40505), (16202, 38360), (19180, 32404)]