1020755456

素因数分解:

$2^9\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 240

約数和(自身を含む): 2603003040

約数和(自身を除く): 1582247584

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 32, 46, 49, 56, 58, 61, 64, 92, 98, 112, 116, 122, 128, 161, 184, 196, 203, 224, 232, 244, 256, 322, 368, 392, 406, 427, 448, 464, 488, 512, 644, 667, 736, 784, 812, 854, 896, 928, 976, 1127, 1288, 1334, 1403, 1421, 1472, 1568, 1624, 1708, 1769, 1792, 1856, 1952, 2254, 2576, 2668, 2806, 2842, 2944, 2989, 3136, 3248, 3416, 3538, 3584, 3712, 3904, 4508, 4669, 5152, 5336, 5612, 5684, 5888, 5978, 6272, 6496, 6832, 7076, 7424, 7808, 9016, 9338, 9821, 10304, 10672, 11224, 11368, 11776, 11956, 12383, 12544, 12992, 13664, 14152, 14848, 15616, 18032, 18676, 19642, 20608, 21344, 22448, 22736, 23912, 24766, 25088, 25984, 27328, 28304, 31232, 32683, 36064, 37352, 39284, 40687, 41216, 42688, 44896, 45472, 47824, 49532, 51968, 54656, 56608, 65366, 68747, 72128, 74704, 78568, 81374, 82432, 85376, 86681, 89792, 90944, 95648, 99064, 103936, 109312, 113216, 130732, 137494, 144256, 149408, 157136, 162748, 170752, 173362, 179584, 181888, 191296, 198128, 218624, 226432, 261464, 274988, 284809, 288512, 298816, 314272, 325496, 341504, 346724, 359168, 363776, 382592, 396256, 452864, 522928, 549976, 569618, 577024, 597632, 628544, 650992, 693448, 718336, 727552, 765184, 792512, 905728, 1045856, 1099952, 1139236, 1195264, 1257088, 1301984, 1386896, 1530368, 1585024, 1993663, 2091712, 2199904, 2278472, 2390528, 2514176, 2603968, 2773792, 3170048, 3987326, 4183424, 4399808, 4556944, 5028352, 5207936, 5547584, 6340096, 7974652, 8366848, 8799616, 9113888, 10415872, 11095168, 15949304, 16733696, 17599232, 18227776, 20831744, 22190336, 31898608, 35198464, 36455552, 44380672, 63797216, 72911104, 127594432, 145822208, 255188864, 510377728, 1020755456]

約数ペア:

[(1, 1020755456), (2, 510377728), (4, 255188864), (7, 145822208), (8, 127594432), (14, 72911104), (16, 63797216), (23, 44380672), (28, 36455552), (29, 35198464), (32, 31898608), (46, 22190336), (49, 20831744), (56, 18227776), (58, 17599232), (61, 16733696), (64, 15949304), (92, 11095168), (98, 10415872), (112, 9113888), (116, 8799616), (122, 8366848), (128, 7974652), (161, 6340096), (184, 5547584), (196, 5207936), (203, 5028352), (224, 4556944), (232, 4399808), (244, 4183424), (256, 3987326), (322, 3170048), (368, 2773792), (392, 2603968), (406, 2514176), (427, 2390528), (448, 2278472), (464, 2199904), (488, 2091712), (512, 1993663), (644, 1585024), (667, 1530368), (736, 1386896), (784, 1301984), (812, 1257088), (854, 1195264), (896, 1139236), (928, 1099952), (976, 1045856), (1127, 905728), (1288, 792512), (1334, 765184), (1403, 727552), (1421, 718336), (1472, 693448), (1568, 650992), (1624, 628544), (1708, 597632), (1769, 577024), (1792, 569618), (1856, 549976), (1952, 522928), (2254, 452864), (2576, 396256), (2668, 382592), (2806, 363776), (2842, 359168), (2944, 346724), (2989, 341504), (3136, 325496), (3248, 314272), (3416, 298816), (3538, 288512), (3584, 284809), (3712, 274988), (3904, 261464), (4508, 226432), (4669, 218624), (5152, 198128), (5336, 191296), (5612, 181888), (5684, 179584), (5888, 173362), (5978, 170752), (6272, 162748), (6496, 157136), (6832, 149408), (7076, 144256), (7424, 137494), (7808, 130732), (9016, 113216), (9338, 109312), (9821, 103936), (10304, 99064), (10672, 95648), (11224, 90944), (11368, 89792), (11776, 86681), (11956, 85376), (12383, 82432), (12544, 81374), (12992, 78568), (13664, 74704), (14152, 72128), (14848, 68747), (15616, 65366), (18032, 56608), (18676, 54656), (19642, 51968), (20608, 49532), (21344, 47824), (22448, 45472), (22736, 44896), (23912, 42688), (24766, 41216), (25088, 40687), (25984, 39284), (27328, 37352), (28304, 36064), (31232, 32683)]