1865303920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{12583}}^1$

素因数の和:12722

約数の個数: 80

約数和(自身を含む): 4634435520

約数和(自身を除く): 2769131600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1360, 1744, 1853, 2180, 3706, 4360, 7412, 8720, 9265, 12583, 14824, 18530, 25166, 29648, 37060, 50332, 62915, 74120, 100664, 125830, 148240, 201328, 213911, 251660, 427822, 503320, 855644, 1006640, 1069555, 1371547, 1711288, 2139110, 2743094, 3422576, 4278220, 5486188, 6857735, 8556440, 10972376, 13715470, 17112880, 21944752, 23316299, 27430940, 46632598, 54861880, 93265196, 109723760, 116581495, 186530392, 233162990, 373060784, 466325980, 932651960, 1865303920]

約数ペア:

[(1, 1865303920), (2, 932651960), (4, 466325980), (5, 373060784), (8, 233162990), (10, 186530392), (16, 116581495), (17, 109723760), (20, 93265196), (34, 54861880), (40, 46632598), (68, 27430940), (80, 23316299), (85, 21944752), (109, 17112880), (136, 13715470), (170, 10972376), (218, 8556440), (272, 6857735), (340, 5486188), (436, 4278220), (545, 3422576), (680, 2743094), (872, 2139110), (1090, 1711288), (1360, 1371547), (1744, 1069555), (1853, 1006640), (2180, 855644), (3706, 503320), (4360, 427822), (7412, 251660), (8720, 213911), (9265, 201328), (12583, 148240), (14824, 125830), (18530, 100664), (25166, 74120), (29648, 62915), (37060, 50332)]