72779994

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 144

約数和(自身を含む): 199536480

約数和(自身を除く): 126756486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 43, 49, 57, 63, 86, 98, 101, 114, 126, 129, 133, 147, 171, 202, 258, 266, 294, 301, 303, 342, 387, 399, 441, 602, 606, 707, 774, 798, 817, 882, 903, 909, 931, 1197, 1414, 1634, 1806, 1818, 1862, 1919, 2107, 2121, 2394, 2451, 2709, 2793, 3838, 4214, 4242, 4343, 4902, 4949, 5418, 5586, 5719, 5757, 6321, 6363, 7353, 8379, 8686, 9898, 11438, 11514, 12642, 12726, 13029, 13433, 14706, 14847, 16758, 17157, 17271, 18963, 26058, 26866, 29694, 30401, 34314, 34542, 37926, 39087, 40033, 40299, 44541, 51471, 60802, 78174, 80066, 80598, 82517, 89082, 91203, 94031, 102942, 120099, 120897, 165034, 182406, 188062, 212807, 240198, 241794, 247551, 273609, 282093, 360297, 425614, 495102, 547218, 564186, 577619, 638421, 720594, 742653, 846279, 1155238, 1276842, 1485306, 1692558, 1732857, 1915263, 3465714, 3830526, 4043333, 5198571, 8086666, 10397142, 12129999, 24259998, 36389997, 72779994]

約数ペア:

[(1, 72779994), (2, 36389997), (3, 24259998), (6, 12129999), (7, 10397142), (9, 8086666), (14, 5198571), (18, 4043333), (19, 3830526), (21, 3465714), (38, 1915263), (42, 1732857), (43, 1692558), (49, 1485306), (57, 1276842), (63, 1155238), (86, 846279), (98, 742653), (101, 720594), (114, 638421), (126, 577619), (129, 564186), (133, 547218), (147, 495102), (171, 425614), (202, 360297), (258, 282093), (266, 273609), (294, 247551), (301, 241794), (303, 240198), (342, 212807), (387, 188062), (399, 182406), (441, 165034), (602, 120897), (606, 120099), (707, 102942), (774, 94031), (798, 91203), (817, 89082), (882, 82517), (903, 80598), (909, 80066), (931, 78174), (1197, 60802), (1414, 51471), (1634, 44541), (1806, 40299), (1818, 40033), (1862, 39087), (1919, 37926), (2107, 34542), (2121, 34314), (2394, 30401), (2451, 29694), (2709, 26866), (2793, 26058), (3838, 18963), (4214, 17271), (4242, 17157), (4343, 16758), (4902, 14847), (4949, 14706), (5418, 13433), (5586, 13029), (5719, 12726), (5757, 12642), (6321, 11514), (6363, 11438), (7353, 9898), (8379, 8686)]