1221002016

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 288

約数和(自身を含む): 3884811840

約数和(自身を除く): 2663809824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 32, 34, 38, 39, 48, 51, 52, 57, 68, 76, 78, 96, 102, 104, 114, 136, 152, 156, 169, 204, 208, 221, 228, 233, 247, 272, 304, 312, 323, 338, 408, 416, 442, 456, 466, 494, 507, 544, 608, 624, 646, 663, 676, 699, 741, 816, 884, 912, 932, 969, 988, 1014, 1248, 1292, 1326, 1352, 1398, 1482, 1632, 1768, 1824, 1864, 1938, 1976, 2028, 2584, 2652, 2704, 2796, 2873, 2964, 3029, 3211, 3536, 3728, 3876, 3952, 3961, 4056, 4199, 4427, 5168, 5304, 5408, 5592, 5746, 5928, 6058, 6422, 7072, 7456, 7752, 7904, 7922, 8112, 8398, 8619, 8854, 9087, 9633, 10336, 10608, 11184, 11492, 11856, 11883, 12116, 12597, 12844, 13281, 15504, 15844, 16224, 16796, 17238, 17708, 18174, 19266, 21216, 22368, 22984, 23712, 23766, 24232, 25194, 25688, 26562, 31008, 31688, 33592, 34476, 35416, 36348, 38532, 39377, 45968, 47532, 48464, 50388, 51376, 51493, 53124, 54587, 57551, 63376, 67184, 68952, 70832, 72696, 75259, 77064, 78754, 91936, 95064, 96928, 100776, 102752, 102986, 106248, 109174, 115102, 118131, 126752, 134368, 137904, 141664, 145392, 150518, 154128, 154479, 157508, 163761, 172653, 190128, 201552, 205972, 212496, 218348, 225777, 230204, 236262, 275808, 290784, 301036, 308256, 308958, 315016, 327522, 345306, 380256, 403104, 411944, 424992, 436696, 451554, 460408, 472524, 602072, 617916, 630032, 655044, 669409, 690612, 748163, 823888, 873392, 903108, 920816, 945048, 978367, 1204144, 1235832, 1260064, 1310088, 1338818, 1381224, 1496326, 1647776, 1746784, 1806216, 1841632, 1890096, 1956734, 2008227, 2244489, 2408288, 2471664, 2620176, 2677636, 2762448, 2935101, 2992652, 3612432, 3780192, 3913468, 4016454, 4488978, 4943328, 5240352, 5355272, 5524896, 5870202, 5985304, 7224864, 7826936, 8032908, 8977956, 10710544, 11740404, 11970608, 12718771, 15653872, 16065816, 17955912, 21421088, 23480808, 23941216, 25437542, 31307744, 32131632, 35911824, 38156313, 46961616, 50875084, 64263264, 71823648, 76312626, 93923232, 101750168, 152625252, 203500336, 305250504, 407000672, 610501008, 1221002016]

約数ペア:

[(1, 1221002016), (2, 610501008), (3, 407000672), (4, 305250504), (6, 203500336), (8, 152625252), (12, 101750168), (13, 93923232), (16, 76312626), (17, 71823648), (19, 64263264), (24, 50875084), (26, 46961616), (32, 38156313), (34, 35911824), (38, 32131632), (39, 31307744), (48, 25437542), (51, 23941216), (52, 23480808), (57, 21421088), (68, 17955912), (76, 16065816), (78, 15653872), (96, 12718771), (102, 11970608), (104, 11740404), (114, 10710544), (136, 8977956), (152, 8032908), (156, 7826936), (169, 7224864), (204, 5985304), (208, 5870202), (221, 5524896), (228, 5355272), (233, 5240352), (247, 4943328), (272, 4488978), (304, 4016454), (312, 3913468), (323, 3780192), (338, 3612432), (408, 2992652), (416, 2935101), (442, 2762448), (456, 2677636), (466, 2620176), (494, 2471664), (507, 2408288), (544, 2244489), (608, 2008227), (624, 1956734), (646, 1890096), (663, 1841632), (676, 1806216), (699, 1746784), (741, 1647776), (816, 1496326), (884, 1381224), (912, 1338818), (932, 1310088), (969, 1260064), (988, 1235832), (1014, 1204144), (1248, 978367), (1292, 945048), (1326, 920816), (1352, 903108), (1398, 873392), (1482, 823888), (1632, 748163), (1768, 690612), (1824, 669409), (1864, 655044), (1938, 630032), (1976, 617916), (2028, 602072), (2584, 472524), (2652, 460408), (2704, 451554), (2796, 436696), (2873, 424992), (2964, 411944), (3029, 403104), (3211, 380256), (3536, 345306), (3728, 327522), (3876, 315016), (3952, 308958), (3961, 308256), (4056, 301036), (4199, 290784), (4427, 275808), (5168, 236262), (5304, 230204), (5408, 225777), (5592, 218348), (5746, 212496), (5928, 205972), (6058, 201552), (6422, 190128), (7072, 172653), (7456, 163761), (7752, 157508), (7904, 154479), (7922, 154128), (8112, 150518), (8398, 145392), (8619, 141664), (8854, 137904), (9087, 134368), (9633, 126752), (10336, 118131), (10608, 115102), (11184, 109174), (11492, 106248), (11856, 102986), (11883, 102752), (12116, 100776), (12597, 96928), (12844, 95064), (13281, 91936), (15504, 78754), (15844, 77064), (16224, 75259), (16796, 72696), (17238, 70832), (17708, 68952), (18174, 67184), (19266, 63376), (21216, 57551), (22368, 54587), (22984, 53124), (23712, 51493), (23766, 51376), (24232, 50388), (25194, 48464), (25688, 47532), (26562, 45968), (31008, 39377), (31688, 38532), (33592, 36348), (34476, 35416)]