8723120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 23861568

約数和(自身を除く): 15138448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 421, 518, 560, 592, 740, 842, 1036, 1295, 1480, 1684, 2072, 2105, 2590, 2947, 2960, 3368, 4144, 4210, 5180, 5894, 6736, 8420, 10360, 11788, 14735, 15577, 16840, 20720, 23576, 29470, 31154, 33680, 47152, 58940, 62308, 77885, 109039, 117880, 124616, 155770, 218078, 235760, 249232, 311540, 436156, 545195, 623080, 872312, 1090390, 1246160, 1744624, 2180780, 4361560, 8723120]

約数ペア:

[(1, 8723120), (2, 4361560), (4, 2180780), (5, 1744624), (7, 1246160), (8, 1090390), (10, 872312), (14, 623080), (16, 545195), (20, 436156), (28, 311540), (35, 249232), (37, 235760), (40, 218078), (56, 155770), (70, 124616), (74, 117880), (80, 109039), (112, 77885), (140, 62308), (148, 58940), (185, 47152), (259, 33680), (280, 31154), (296, 29470), (370, 23576), (421, 20720), (518, 16840), (560, 15577), (592, 14735), (740, 11788), (842, 10360), (1036, 8420), (1295, 6736), (1480, 5894), (1684, 5180), (2072, 4210), (2105, 4144), (2590, 3368), (2947, 2960)]