81209952

素因数分解:

$2^5\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 240

約数和(自身を含む): 268939440

約数和(自身を除く): 187729488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 32, 34, 36, 38, 48, 51, 54, 57, 68, 72, 76, 81, 96, 97, 102, 108, 114, 136, 144, 152, 153, 162, 171, 194, 204, 216, 228, 272, 288, 291, 304, 306, 323, 324, 342, 388, 408, 432, 456, 459, 513, 544, 582, 608, 612, 646, 648, 684, 776, 816, 864, 873, 912, 918, 969, 1026, 1164, 1224, 1292, 1296, 1368, 1377, 1539, 1552, 1632, 1649, 1746, 1824, 1836, 1843, 1938, 2052, 2328, 2448, 2584, 2592, 2619, 2736, 2754, 2907, 3078, 3104, 3298, 3492, 3672, 3686, 3876, 4104, 4656, 4896, 4947, 5168, 5238, 5472, 5508, 5529, 5814, 6156, 6596, 6984, 7344, 7372, 7752, 7857, 8208, 8721, 9312, 9894, 10336, 10476, 11016, 11058, 11628, 12312, 13192, 13968, 14688, 14744, 14841, 15504, 15714, 16416, 16587, 17442, 19788, 20952, 22032, 22116, 23256, 24624, 26163, 26384, 27936, 29488, 29682, 31008, 31331, 31428, 33174, 34884, 39576, 41904, 44064, 44232, 44523, 46512, 49248, 49761, 52326, 52768, 58976, 59364, 62662, 62856, 66348, 69768, 79152, 83808, 88464, 89046, 93024, 93993, 99522, 104652, 118728, 125324, 125712, 132696, 133569, 139536, 149283, 158304, 176928, 178092, 187986, 199044, 209304, 237456, 250648, 251424, 265392, 267138, 279072, 281979, 298566, 356184, 375972, 398088, 418608, 474912, 501296, 530784, 534276, 563958, 597132, 712368, 751944, 796176, 837216, 845937, 1002592, 1068552, 1127916, 1194264, 1424736, 1503888, 1592352, 1691874, 2137104, 2255832, 2388528, 2537811, 3007776, 3383748, 4274208, 4511664, 4777056, 5075622, 6767496, 9023328, 10151244, 13534992, 20302488, 27069984, 40604976, 81209952]

約数ペア:

[(1, 81209952), (2, 40604976), (3, 27069984), (4, 20302488), (6, 13534992), (8, 10151244), (9, 9023328), (12, 6767496), (16, 5075622), (17, 4777056), (18, 4511664), (19, 4274208), (24, 3383748), (27, 3007776), (32, 2537811), (34, 2388528), (36, 2255832), (38, 2137104), (48, 1691874), (51, 1592352), (54, 1503888), (57, 1424736), (68, 1194264), (72, 1127916), (76, 1068552), (81, 1002592), (96, 845937), (97, 837216), (102, 796176), (108, 751944), (114, 712368), (136, 597132), (144, 563958), (152, 534276), (153, 530784), (162, 501296), (171, 474912), (194, 418608), (204, 398088), (216, 375972), (228, 356184), (272, 298566), (288, 281979), (291, 279072), (304, 267138), (306, 265392), (323, 251424), (324, 250648), (342, 237456), (388, 209304), (408, 199044), (432, 187986), (456, 178092), (459, 176928), (513, 158304), (544, 149283), (582, 139536), (608, 133569), (612, 132696), (646, 125712), (648, 125324), (684, 118728), (776, 104652), (816, 99522), (864, 93993), (873, 93024), (912, 89046), (918, 88464), (969, 83808), (1026, 79152), (1164, 69768), (1224, 66348), (1292, 62856), (1296, 62662), (1368, 59364), (1377, 58976), (1539, 52768), (1552, 52326), (1632, 49761), (1649, 49248), (1746, 46512), (1824, 44523), (1836, 44232), (1843, 44064), (1938, 41904), (2052, 39576), (2328, 34884), (2448, 33174), (2584, 31428), (2592, 31331), (2619, 31008), (2736, 29682), (2754, 29488), (2907, 27936), (3078, 26384), (3104, 26163), (3298, 24624), (3492, 23256), (3672, 22116), (3686, 22032), (3876, 20952), (4104, 19788), (4656, 17442), (4896, 16587), (4947, 16416), (5168, 15714), (5238, 15504), (5472, 14841), (5508, 14744), (5529, 14688), (5814, 13968), (6156, 13192), (6596, 12312), (6984, 11628), (7344, 11058), (7372, 11016), (7752, 10476), (7857, 10336), (8208, 9894), (8721, 9312)]