221665248

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 240

約数和(自身を含む): 785473920

約数和(自身を除く): 563808672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 81, 84, 96, 108, 112, 114, 126, 133, 144, 152, 162, 168, 171, 189, 216, 224, 228, 252, 266, 288, 304, 324, 336, 342, 378, 399, 432, 456, 504, 513, 532, 567, 608, 643, 648, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1134, 1197, 1286, 1296, 1368, 1512, 1539, 1596, 1824, 1929, 2016, 2052, 2128, 2268, 2394, 2572, 2592, 2736, 3024, 3078, 3192, 3591, 3858, 4104, 4256, 4501, 4536, 4788, 5144, 5472, 5787, 6048, 6156, 6384, 7182, 7716, 8208, 9002, 9072, 9576, 10288, 10773, 11574, 12217, 12312, 12768, 13503, 14364, 15432, 16416, 17361, 18004, 18144, 19152, 20576, 21546, 23148, 24434, 24624, 27006, 28728, 30864, 34722, 36008, 36651, 38304, 40509, 43092, 46296, 48868, 49248, 52083, 54012, 57456, 61728, 69444, 72016, 73302, 81018, 85519, 86184, 92592, 97736, 104166, 108024, 109953, 114912, 121527, 138888, 144032, 146604, 162036, 171038, 172368, 185184, 195472, 208332, 216048, 219906, 243054, 256557, 277776, 293208, 324072, 329859, 342076, 344736, 364581, 390944, 416664, 432096, 439812, 486108, 513114, 555552, 586416, 648144, 659718, 684152, 729162, 769671, 833328, 879624, 972216, 989577, 1026228, 1172832, 1296288, 1319436, 1368304, 1458324, 1539342, 1666656, 1759248, 1944432, 1979154, 2052456, 2309013, 2638872, 2736608, 2916648, 3078684, 3518496, 3888864, 3958308, 4104912, 4618026, 5277744, 5833296, 6157368, 6927039, 7916616, 8209824, 9236052, 10555488, 11666592, 12314736, 13854078, 15833232, 18472104, 24629472, 27708156, 31666464, 36944208, 55416312, 73888416, 110832624, 221665248]

約数ペア:

[(1, 221665248), (2, 110832624), (3, 73888416), (4, 55416312), (6, 36944208), (7, 31666464), (8, 27708156), (9, 24629472), (12, 18472104), (14, 15833232), (16, 13854078), (18, 12314736), (19, 11666592), (21, 10555488), (24, 9236052), (27, 8209824), (28, 7916616), (32, 6927039), (36, 6157368), (38, 5833296), (42, 5277744), (48, 4618026), (54, 4104912), (56, 3958308), (57, 3888864), (63, 3518496), (72, 3078684), (76, 2916648), (81, 2736608), (84, 2638872), (96, 2309013), (108, 2052456), (112, 1979154), (114, 1944432), (126, 1759248), (133, 1666656), (144, 1539342), (152, 1458324), (162, 1368304), (168, 1319436), (171, 1296288), (189, 1172832), (216, 1026228), (224, 989577), (228, 972216), (252, 879624), (266, 833328), (288, 769671), (304, 729162), (324, 684152), (336, 659718), (342, 648144), (378, 586416), (399, 555552), (432, 513114), (456, 486108), (504, 439812), (513, 432096), (532, 416664), (567, 390944), (608, 364581), (643, 344736), (648, 342076), (672, 329859), (684, 324072), (756, 293208), (798, 277776), (864, 256557), (912, 243054), (1008, 219906), (1026, 216048), (1064, 208332), (1134, 195472), (1197, 185184), (1286, 172368), (1296, 171038), (1368, 162036), (1512, 146604), (1539, 144032), (1596, 138888), (1824, 121527), (1929, 114912), (2016, 109953), (2052, 108024), (2128, 104166), (2268, 97736), (2394, 92592), (2572, 86184), (2592, 85519), (2736, 81018), (3024, 73302), (3078, 72016), (3192, 69444), (3591, 61728), (3858, 57456), (4104, 54012), (4256, 52083), (4501, 49248), (4536, 48868), (4788, 46296), (5144, 43092), (5472, 40509), (5787, 38304), (6048, 36651), (6156, 36008), (6384, 34722), (7182, 30864), (7716, 28728), (8208, 27006), (9002, 24624), (9072, 24434), (9576, 23148), (10288, 21546), (10773, 20576), (11574, 19152), (12217, 18144), (12312, 18004), (12768, 17361), (13503, 16416), (14364, 15432)]