1784369920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 4453892352

約数和(自身を除く): 2669522432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 193, 233, 248, 256, 310, 320, 386, 466, 496, 620, 640, 772, 932, 965, 992, 1165, 1240, 1280, 1544, 1864, 1930, 1984, 2330, 2480, 3088, 3728, 3860, 3968, 4660, 4960, 5983, 6176, 7223, 7456, 7720, 7936, 9320, 9920, 11966, 12352, 14446, 14912, 15440, 18640, 19840, 23932, 24704, 28892, 29824, 29915, 30880, 36115, 37280, 39680, 44969, 47864, 49408, 57784, 59648, 59830, 61760, 72230, 74560, 89938, 95728, 115568, 119660, 123520, 144460, 149120, 179876, 191456, 224845, 231136, 239320, 247040, 288920, 298240, 359752, 382912, 449690, 462272, 478640, 577840, 719504, 765824, 899380, 924544, 957280, 1155680, 1394039, 1439008, 1531648, 1798760, 1849088, 1914560, 2311360, 2788078, 2878016, 3597520, 3829120, 4622720, 5576156, 5756032, 6970195, 7195040, 7658240, 9245440, 11152312, 11512064, 13940390, 14390080, 22304624, 27880780, 28780160, 44609248, 55761560, 57560320, 89218496, 111523120, 178436992, 223046240, 356873984, 446092480, 892184960, 1784369920]

約数ペア:

[(1, 1784369920), (2, 892184960), (4, 446092480), (5, 356873984), (8, 223046240), (10, 178436992), (16, 111523120), (20, 89218496), (31, 57560320), (32, 55761560), (40, 44609248), (62, 28780160), (64, 27880780), (80, 22304624), (124, 14390080), (128, 13940390), (155, 11512064), (160, 11152312), (193, 9245440), (233, 7658240), (248, 7195040), (256, 6970195), (310, 5756032), (320, 5576156), (386, 4622720), (466, 3829120), (496, 3597520), (620, 2878016), (640, 2788078), (772, 2311360), (932, 1914560), (965, 1849088), (992, 1798760), (1165, 1531648), (1240, 1439008), (1280, 1394039), (1544, 1155680), (1864, 957280), (1930, 924544), (1984, 899380), (2330, 765824), (2480, 719504), (3088, 577840), (3728, 478640), (3860, 462272), (3968, 449690), (4660, 382912), (4960, 359752), (5983, 298240), (6176, 288920), (7223, 247040), (7456, 239320), (7720, 231136), (7936, 224845), (9320, 191456), (9920, 179876), (11966, 149120), (12352, 144460), (14446, 123520), (14912, 119660), (15440, 115568), (18640, 95728), (19840, 89938), (23932, 74560), (24704, 72230), (28892, 61760), (29824, 59830), (29915, 59648), (30880, 57784), (36115, 49408), (37280, 47864), (39680, 44969)]