129772280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 344044800

約数和(自身を除く): 214272520

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 152, 172, 190, 209, 215, 220, 344, 361, 380, 418, 430, 440, 473, 722, 760, 817, 836, 860, 946, 1045, 1444, 1634, 1672, 1720, 1805, 1892, 2090, 2365, 2888, 3268, 3610, 3784, 3971, 4085, 4180, 4730, 6536, 6859, 7220, 7942, 8170, 8360, 8987, 9460, 13718, 14440, 15523, 15884, 16340, 17974, 18920, 19855, 27436, 31046, 31768, 32680, 34295, 35948, 39710, 44935, 54872, 62092, 68590, 71896, 75449, 77615, 79420, 89870, 124184, 137180, 150898, 155230, 158840, 170753, 179740, 274360, 294937, 301796, 310460, 341506, 359480, 377245, 589874, 603592, 620920, 683012, 754490, 853765, 1179748, 1366024, 1474685, 1508980, 1707530, 2359496, 2949370, 3017960, 3244307, 3415060, 5898740, 6488614, 6830120, 11797480, 12977228, 16221535, 25954456, 32443070, 64886140, 129772280]

約数ペア:

[(1, 129772280), (2, 64886140), (4, 32443070), (5, 25954456), (8, 16221535), (10, 12977228), (11, 11797480), (19, 6830120), (20, 6488614), (22, 5898740), (38, 3415060), (40, 3244307), (43, 3017960), (44, 2949370), (55, 2359496), (76, 1707530), (86, 1508980), (88, 1474685), (95, 1366024), (110, 1179748), (152, 853765), (172, 754490), (190, 683012), (209, 620920), (215, 603592), (220, 589874), (344, 377245), (361, 359480), (380, 341506), (418, 310460), (430, 301796), (440, 294937), (473, 274360), (722, 179740), (760, 170753), (817, 158840), (836, 155230), (860, 150898), (946, 137180), (1045, 124184), (1444, 89870), (1634, 79420), (1672, 77615), (1720, 75449), (1805, 71896), (1892, 68590), (2090, 62092), (2365, 54872), (2888, 44935), (3268, 39710), (3610, 35948), (3784, 34295), (3971, 32680), (4085, 31768), (4180, 31046), (4730, 27436), (6536, 19855), (6859, 18920), (7220, 17974), (7942, 16340), (8170, 15884), (8360, 15523), (8987, 14440), (9460, 13718)]