920389120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{51361}}^1$

素因数の和:51391

約数の個数: 80

約数和(自身を含む): 2522079648

約数和(自身を除く): 1601690528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 51361, 102722, 205444, 256805, 359527, 410888, 513610, 719054, 821776, 1027220, 1438108, 1643552, 1797635, 2054440, 2876216, 3287104, 3595270, 4108880, 5752432, 6574208, 7190540, 8217760, 11504864, 13148416, 14381080, 16435520, 23009728, 26296832, 28762160, 32871040, 46019456, 57524320, 65742080, 92038912, 115048640, 131484160, 184077824, 230097280, 460194560, 920389120]

約数ペア:

[(1, 920389120), (2, 460194560), (4, 230097280), (5, 184077824), (7, 131484160), (8, 115048640), (10, 92038912), (14, 65742080), (16, 57524320), (20, 46019456), (28, 32871040), (32, 28762160), (35, 26296832), (40, 23009728), (56, 16435520), (64, 14381080), (70, 13148416), (80, 11504864), (112, 8217760), (128, 7190540), (140, 6574208), (160, 5752432), (224, 4108880), (256, 3595270), (280, 3287104), (320, 2876216), (448, 2054440), (512, 1797635), (560, 1643552), (640, 1438108), (896, 1027220), (1120, 821776), (1280, 719054), (1792, 513610), (2240, 410888), (2560, 359527), (3584, 256805), (4480, 205444), (8960, 102722), (17920, 51361)]