643775328

素因数分解:

$2^5\times 3^2\times 7^6\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 252

約数和(自身を含む): 2248269660

約数和(自身を除く): 1604494332

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 96, 98, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 224, 228, 252, 266, 288, 294, 304, 336, 342, 343, 392, 399, 441, 456, 504, 532, 588, 608, 672, 684, 686, 784, 798, 882, 912, 931, 1008, 1029, 1064, 1176, 1197, 1368, 1372, 1568, 1596, 1764, 1824, 1862, 2016, 2058, 2128, 2352, 2394, 2401, 2736, 2744, 2793, 3087, 3192, 3528, 3724, 4116, 4256, 4704, 4788, 4802, 5472, 5488, 5586, 6174, 6384, 6517, 7056, 7203, 7448, 8232, 8379, 9576, 9604, 10976, 11172, 12348, 12768, 13034, 14112, 14406, 14896, 16464, 16758, 16807, 19152, 19208, 19551, 21609, 22344, 24696, 26068, 28812, 29792, 32928, 33516, 33614, 38304, 38416, 39102, 43218, 44688, 45619, 49392, 50421, 52136, 57624, 58653, 67032, 67228, 76832, 78204, 86436, 89376, 91238, 98784, 100842, 104272, 115248, 117306, 117649, 134064, 134456, 136857, 151263, 156408, 172872, 182476, 201684, 208544, 230496, 234612, 235298, 268128, 268912, 273714, 302526, 312816, 319333, 345744, 352947, 364952, 403368, 410571, 469224, 470596, 537824, 547428, 605052, 625632, 638666, 691488, 705894, 729904, 806736, 821142, 938448, 941192, 957999, 1058841, 1094856, 1210104, 1277332, 1411788, 1459808, 1613472, 1642284, 1876896, 1882384, 1915998, 2117682, 2189712, 2235331, 2420208, 2554664, 2823576, 2873997, 3284568, 3764768, 3831996, 4235364, 4379424, 4470662, 4840416, 5109328, 5647152, 5747994, 6569136, 6705993, 7663992, 8470728, 8941324, 10218656, 11294304, 11495988, 13138272, 13411986, 15327984, 16941456, 17882648, 20117979, 22991976, 26823972, 30655968, 33882912, 35765296, 40235958, 45983952, 53647944, 71530592, 80471916, 91967904, 107295888, 160943832, 214591776, 321887664, 643775328]

約数ペア:

[(1, 643775328), (2, 321887664), (3, 214591776), (4, 160943832), (6, 107295888), (7, 91967904), (8, 80471916), (9, 71530592), (12, 53647944), (14, 45983952), (16, 40235958), (18, 35765296), (19, 33882912), (21, 30655968), (24, 26823972), (28, 22991976), (32, 20117979), (36, 17882648), (38, 16941456), (42, 15327984), (48, 13411986), (49, 13138272), (56, 11495988), (57, 11294304), (63, 10218656), (72, 8941324), (76, 8470728), (84, 7663992), (96, 6705993), (98, 6569136), (112, 5747994), (114, 5647152), (126, 5109328), (133, 4840416), (144, 4470662), (147, 4379424), (152, 4235364), (168, 3831996), (171, 3764768), (196, 3284568), (224, 2873997), (228, 2823576), (252, 2554664), (266, 2420208), (288, 2235331), (294, 2189712), (304, 2117682), (336, 1915998), (342, 1882384), (343, 1876896), (392, 1642284), (399, 1613472), (441, 1459808), (456, 1411788), (504, 1277332), (532, 1210104), (588, 1094856), (608, 1058841), (672, 957999), (684, 941192), (686, 938448), (784, 821142), (798, 806736), (882, 729904), (912, 705894), (931, 691488), (1008, 638666), (1029, 625632), (1064, 605052), (1176, 547428), (1197, 537824), (1368, 470596), (1372, 469224), (1568, 410571), (1596, 403368), (1764, 364952), (1824, 352947), (1862, 345744), (2016, 319333), (2058, 312816), (2128, 302526), (2352, 273714), (2394, 268912), (2401, 268128), (2736, 235298), (2744, 234612), (2793, 230496), (3087, 208544), (3192, 201684), (3528, 182476), (3724, 172872), (4116, 156408), (4256, 151263), (4704, 136857), (4788, 134456), (4802, 134064), (5472, 117649), (5488, 117306), (5586, 115248), (6174, 104272), (6384, 100842), (6517, 98784), (7056, 91238), (7203, 89376), (7448, 86436), (8232, 78204), (8379, 76832), (9576, 67228), (9604, 67032), (10976, 58653), (11172, 57624), (12348, 52136), (12768, 50421), (13034, 49392), (14112, 45619), (14406, 44688), (14896, 43218), (16464, 39102), (16758, 38416), (16807, 38304), (19152, 33614), (19208, 33516), (19551, 32928), (21609, 29792), (22344, 28812), (24696, 26068)]