84020720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2543}}^1$

素因数の和:2622

約数の個数: 80

約数和(自身を含む): 227128320

約数和(自身を除く): 143107600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 2065, 2360, 2543, 3304, 4130, 4720, 5086, 6608, 8260, 10172, 12715, 16520, 17801, 20344, 25430, 33040, 35602, 40688, 50860, 71204, 89005, 101720, 142408, 150037, 178010, 203440, 284816, 300074, 356020, 600148, 712040, 750185, 1050259, 1200296, 1424080, 1500370, 2100518, 2400592, 3000740, 4201036, 5251295, 6001480, 8402072, 10502590, 12002960, 16804144, 21005180, 42010360, 84020720]

約数ペア:

[(1, 84020720), (2, 42010360), (4, 21005180), (5, 16804144), (7, 12002960), (8, 10502590), (10, 8402072), (14, 6001480), (16, 5251295), (20, 4201036), (28, 3000740), (35, 2400592), (40, 2100518), (56, 1500370), (59, 1424080), (70, 1200296), (80, 1050259), (112, 750185), (118, 712040), (140, 600148), (236, 356020), (280, 300074), (295, 284816), (413, 203440), (472, 178010), (560, 150037), (590, 142408), (826, 101720), (944, 89005), (1180, 71204), (1652, 50860), (2065, 40688), (2360, 35602), (2543, 33040), (3304, 25430), (4130, 20344), (4720, 17801), (5086, 16520), (6608, 12715), (8260, 10172)]