31906728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 106704000

約数和(自身を除く): 74797272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 37, 42, 56, 58, 59, 63, 72, 74, 84, 87, 111, 116, 118, 126, 148, 168, 174, 177, 203, 222, 232, 236, 252, 259, 261, 296, 333, 348, 354, 406, 413, 444, 472, 504, 518, 522, 531, 609, 666, 696, 708, 777, 812, 826, 888, 1036, 1044, 1062, 1073, 1218, 1239, 1332, 1416, 1554, 1624, 1652, 1711, 1827, 2072, 2088, 2124, 2146, 2183, 2331, 2436, 2478, 2664, 3108, 3219, 3304, 3422, 3654, 3717, 4248, 4292, 4366, 4662, 4872, 4956, 5133, 6216, 6438, 6549, 6844, 7308, 7434, 7511, 8584, 8732, 9324, 9657, 9912, 10266, 11977, 12876, 13098, 13688, 14616, 14868, 15022, 15281, 15399, 17464, 18648, 19314, 19647, 20532, 22533, 23954, 25752, 26196, 29736, 30044, 30562, 30798, 35931, 38628, 39294, 41064, 45066, 45843, 47908, 52392, 60088, 61124, 61596, 63307, 67599, 71862, 77256, 78588, 90132, 91686, 95816, 107793, 122248, 123192, 126614, 135198, 137529, 143724, 157176, 180264, 183372, 189921, 215586, 253228, 270396, 275058, 287448, 366744, 379842, 431172, 443149, 506456, 540792, 550116, 569763, 759684, 862344, 886298, 1100232, 1139526, 1329447, 1519368, 1772596, 2279052, 2658894, 3545192, 3988341, 4558104, 5317788, 7976682, 10635576, 15953364, 31906728]

約数ペア:

[(1, 31906728), (2, 15953364), (3, 10635576), (4, 7976682), (6, 5317788), (7, 4558104), (8, 3988341), (9, 3545192), (12, 2658894), (14, 2279052), (18, 1772596), (21, 1519368), (24, 1329447), (28, 1139526), (29, 1100232), (36, 886298), (37, 862344), (42, 759684), (56, 569763), (58, 550116), (59, 540792), (63, 506456), (72, 443149), (74, 431172), (84, 379842), (87, 366744), (111, 287448), (116, 275058), (118, 270396), (126, 253228), (148, 215586), (168, 189921), (174, 183372), (177, 180264), (203, 157176), (222, 143724), (232, 137529), (236, 135198), (252, 126614), (259, 123192), (261, 122248), (296, 107793), (333, 95816), (348, 91686), (354, 90132), (406, 78588), (413, 77256), (444, 71862), (472, 67599), (504, 63307), (518, 61596), (522, 61124), (531, 60088), (609, 52392), (666, 47908), (696, 45843), (708, 45066), (777, 41064), (812, 39294), (826, 38628), (888, 35931), (1036, 30798), (1044, 30562), (1062, 30044), (1073, 29736), (1218, 26196), (1239, 25752), (1332, 23954), (1416, 22533), (1554, 20532), (1624, 19647), (1652, 19314), (1711, 18648), (1827, 17464), (2072, 15399), (2088, 15281), (2124, 15022), (2146, 14868), (2183, 14616), (2331, 13688), (2436, 13098), (2478, 12876), (2664, 11977), (3108, 10266), (3219, 9912), (3304, 9657), (3422, 9324), (3654, 8732), (3717, 8584), (4248, 7511), (4292, 7434), (4366, 7308), (4662, 6844), (4872, 6549), (4956, 6438), (5133, 6216)]