81739740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 244629504

約数和(自身を除く): 162889764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 127, 170, 204, 254, 255, 340, 381, 508, 510, 631, 635, 762, 1020, 1262, 1270, 1524, 1893, 1905, 2159, 2524, 2540, 3155, 3786, 3810, 4318, 6310, 6477, 7572, 7620, 8636, 9465, 10727, 10795, 12620, 12954, 18930, 21454, 21590, 25908, 32181, 32385, 37860, 42908, 43180, 53635, 64362, 64770, 80137, 107270, 128724, 129540, 160274, 160905, 214540, 240411, 320548, 321810, 400685, 480822, 643620, 801370, 961644, 1202055, 1362329, 1602740, 2404110, 2724658, 4086987, 4808220, 5449316, 6811645, 8173974, 13623290, 16347948, 20434935, 27246580, 40869870, 81739740]

約数ペア:

[(1, 81739740), (2, 40869870), (3, 27246580), (4, 20434935), (5, 16347948), (6, 13623290), (10, 8173974), (12, 6811645), (15, 5449316), (17, 4808220), (20, 4086987), (30, 2724658), (34, 2404110), (51, 1602740), (60, 1362329), (68, 1202055), (85, 961644), (102, 801370), (127, 643620), (170, 480822), (204, 400685), (254, 321810), (255, 320548), (340, 240411), (381, 214540), (508, 160905), (510, 160274), (631, 129540), (635, 128724), (762, 107270), (1020, 80137), (1262, 64770), (1270, 64362), (1524, 53635), (1893, 43180), (1905, 42908), (2159, 37860), (2524, 32385), (2540, 32181), (3155, 25908), (3786, 21590), (3810, 21454), (4318, 18930), (6310, 12954), (6477, 12620), (7572, 10795), (7620, 10727), (8636, 9465)]