1221260976

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 200

約数和(自身を含む): 3837723120

約数和(自身を除く): 2616462144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 173, 208, 216, 234, 312, 324, 346, 351, 419, 432, 468, 519, 624, 648, 692, 702, 838, 936, 1038, 1053, 1257, 1296, 1384, 1404, 1557, 1676, 1872, 2076, 2106, 2249, 2514, 2768, 2808, 3114, 3352, 3771, 4152, 4212, 4498, 4671, 5028, 5447, 5616, 6228, 6704, 6747, 7542, 8304, 8424, 8996, 9342, 10056, 10894, 11313, 12456, 13494, 14013, 15084, 16341, 16848, 17992, 18684, 20112, 20241, 21788, 22626, 24912, 26988, 28026, 30168, 32682, 33939, 35984, 37368, 40482, 43576, 45252, 49023, 53976, 56052, 60336, 60723, 65364, 67878, 72487, 74736, 80964, 87152, 90504, 98046, 107952, 112104, 121446, 130728, 135756, 144974, 147069, 161928, 181008, 182169, 196092, 217461, 224208, 242892, 261456, 271512, 289948, 294138, 323856, 364338, 392184, 434922, 441207, 485784, 543024, 579896, 588276, 652383, 728676, 784368, 869844, 882414, 942331, 971568, 1159792, 1176552, 1304766, 1457352, 1739688, 1764828, 1884662, 1957149, 2353104, 2609532, 2826993, 2914704, 3479376, 3529656, 3769324, 3914298, 5219064, 5653986, 5871447, 7059312, 7538648, 7828596, 8480979, 10438128, 11307972, 11742894, 15077296, 15657192, 16961958, 22615944, 23485788, 25442937, 31314384, 33923916, 45231888, 46971576, 50885874, 67847832, 76328811, 93943152, 101771748, 135695664, 152657622, 203543496, 305315244, 407086992, 610630488, 1221260976]

約数ペア:

[(1, 1221260976), (2, 610630488), (3, 407086992), (4, 305315244), (6, 203543496), (8, 152657622), (9, 135695664), (12, 101771748), (13, 93943152), (16, 76328811), (18, 67847832), (24, 50885874), (26, 46971576), (27, 45231888), (36, 33923916), (39, 31314384), (48, 25442937), (52, 23485788), (54, 22615944), (72, 16961958), (78, 15657192), (81, 15077296), (104, 11742894), (108, 11307972), (117, 10438128), (144, 8480979), (156, 7828596), (162, 7538648), (173, 7059312), (208, 5871447), (216, 5653986), (234, 5219064), (312, 3914298), (324, 3769324), (346, 3529656), (351, 3479376), (419, 2914704), (432, 2826993), (468, 2609532), (519, 2353104), (624, 1957149), (648, 1884662), (692, 1764828), (702, 1739688), (838, 1457352), (936, 1304766), (1038, 1176552), (1053, 1159792), (1257, 971568), (1296, 942331), (1384, 882414), (1404, 869844), (1557, 784368), (1676, 728676), (1872, 652383), (2076, 588276), (2106, 579896), (2249, 543024), (2514, 485784), (2768, 441207), (2808, 434922), (3114, 392184), (3352, 364338), (3771, 323856), (4152, 294138), (4212, 289948), (4498, 271512), (4671, 261456), (5028, 242892), (5447, 224208), (5616, 217461), (6228, 196092), (6704, 182169), (6747, 181008), (7542, 161928), (8304, 147069), (8424, 144974), (8996, 135756), (9342, 130728), (10056, 121446), (10894, 112104), (11313, 107952), (12456, 98046), (13494, 90504), (14013, 87152), (15084, 80964), (16341, 74736), (16848, 72487), (17992, 67878), (18684, 65364), (20112, 60723), (20241, 60336), (21788, 56052), (22626, 53976), (24912, 49023), (26988, 45252), (28026, 43576), (30168, 40482), (32682, 37368), (33939, 35984)]