31287984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 108921600

約数和(自身を除く): 77633616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 29, 38, 39, 42, 48, 52, 56, 57, 58, 76, 78, 84, 87, 91, 104, 112, 114, 116, 133, 152, 156, 168, 169, 174, 182, 203, 208, 228, 232, 247, 266, 273, 304, 312, 336, 338, 348, 364, 377, 399, 406, 456, 464, 494, 507, 532, 546, 551, 609, 624, 676, 696, 728, 741, 754, 798, 812, 912, 988, 1014, 1064, 1092, 1102, 1131, 1183, 1218, 1352, 1392, 1456, 1482, 1508, 1596, 1624, 1653, 1729, 1976, 2028, 2128, 2184, 2204, 2262, 2366, 2436, 2639, 2704, 2964, 3016, 3192, 3211, 3248, 3306, 3458, 3549, 3857, 3952, 4056, 4368, 4408, 4524, 4732, 4872, 4901, 5187, 5278, 5928, 6032, 6384, 6422, 6612, 6916, 7098, 7163, 7714, 7917, 8112, 8816, 9048, 9464, 9633, 9744, 9802, 10374, 10556, 11571, 11856, 12844, 13224, 13832, 14196, 14326, 14703, 15428, 15834, 18096, 18928, 19266, 19604, 20748, 21112, 21489, 22477, 23142, 25688, 26448, 27664, 28392, 28652, 29406, 30856, 31668, 34307, 38532, 39208, 41496, 42224, 42978, 44954, 46284, 50141, 51376, 56784, 57304, 58812, 61712, 63336, 67431, 68614, 77064, 78416, 82992, 85956, 89908, 92568, 93119, 100282, 102921, 114608, 117624, 126672, 134862, 137228, 150423, 154128, 171912, 179816, 185136, 186238, 200564, 205842, 235248, 269724, 274456, 279357, 300846, 343824, 359632, 372476, 401128, 411684, 539448, 548912, 558714, 601692, 651833, 744952, 802256, 823368, 1078896, 1117428, 1203384, 1303666, 1489904, 1646736, 1955499, 2234856, 2406768, 2607332, 3910998, 4469712, 5214664, 7821996, 10429328, 15643992, 31287984]

約数ペア:

[(1, 31287984), (2, 15643992), (3, 10429328), (4, 7821996), (6, 5214664), (7, 4469712), (8, 3910998), (12, 2607332), (13, 2406768), (14, 2234856), (16, 1955499), (19, 1646736), (21, 1489904), (24, 1303666), (26, 1203384), (28, 1117428), (29, 1078896), (38, 823368), (39, 802256), (42, 744952), (48, 651833), (52, 601692), (56, 558714), (57, 548912), (58, 539448), (76, 411684), (78, 401128), (84, 372476), (87, 359632), (91, 343824), (104, 300846), (112, 279357), (114, 274456), (116, 269724), (133, 235248), (152, 205842), (156, 200564), (168, 186238), (169, 185136), (174, 179816), (182, 171912), (203, 154128), (208, 150423), (228, 137228), (232, 134862), (247, 126672), (266, 117624), (273, 114608), (304, 102921), (312, 100282), (336, 93119), (338, 92568), (348, 89908), (364, 85956), (377, 82992), (399, 78416), (406, 77064), (456, 68614), (464, 67431), (494, 63336), (507, 61712), (532, 58812), (546, 57304), (551, 56784), (609, 51376), (624, 50141), (676, 46284), (696, 44954), (728, 42978), (741, 42224), (754, 41496), (798, 39208), (812, 38532), (912, 34307), (988, 31668), (1014, 30856), (1064, 29406), (1092, 28652), (1102, 28392), (1131, 27664), (1183, 26448), (1218, 25688), (1352, 23142), (1392, 22477), (1456, 21489), (1482, 21112), (1508, 20748), (1596, 19604), (1624, 19266), (1653, 18928), (1729, 18096), (1976, 15834), (2028, 15428), (2128, 14703), (2184, 14326), (2204, 14196), (2262, 13832), (2366, 13224), (2436, 12844), (2639, 11856), (2704, 11571), (2964, 10556), (3016, 10374), (3192, 9802), (3211, 9744), (3248, 9633), (3306, 9464), (3458, 9048), (3549, 8816), (3857, 8112), (3952, 7917), (4056, 7714), (4368, 7163), (4408, 7098), (4524, 6916), (4732, 6612), (4872, 6422), (4901, 6384), (5187, 6032), (5278, 5928)]