254098756480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{1447}}^1$

素因数の和:1717

約数の個数: 256

約数和(自身を含む): 643151093760

約数和(自身を除く): 389052337280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 128, 155, 160, 167, 212, 248, 265, 310, 320, 334, 424, 496, 530, 620, 640, 668, 835, 848, 992, 1060, 1240, 1336, 1447, 1643, 1670, 1696, 1984, 2120, 2480, 2672, 2894, 3286, 3340, 3392, 3968, 4240, 4960, 5177, 5344, 5788, 6572, 6680, 6784, 7235, 8215, 8480, 8851, 9920, 10354, 10688, 11576, 13144, 13360, 14470, 16430, 16960, 17702, 19840, 20708, 21376, 23152, 25885, 26288, 26720, 28940, 32860, 33920, 35404, 41416, 44255, 44857, 46304, 51770, 52576, 53440, 57880, 65720, 70808, 76691, 82832, 88510, 89714, 92608, 103540, 105152, 106880, 115760, 131440, 141616, 153382, 165664, 177020, 179428, 185216, 207080, 210304, 224285, 231520, 241649, 262880, 274381, 283232, 306764, 331328, 354040, 358856, 383455, 414160, 448570, 463040, 483298, 525760, 548762, 566464, 613528, 662656, 708080, 717712, 766910, 828320, 897140, 926080, 966596, 1051520, 1097524, 1132928, 1208245, 1227056, 1371905, 1416160, 1435424, 1533820, 1656640, 1794280, 1933192, 2195048, 2377421, 2416490, 2454112, 2743810, 2832320, 2870848, 3067640, 3313280, 3588560, 3866384, 4390096, 4754842, 4832980, 4908224, 5487620, 5664640, 5741696, 6135280, 7177120, 7491119, 7732768, 8780192, 9509684, 9665960, 9816448, 10975240, 11887105, 12270560, 12807397, 14354240, 14982238, 15465536, 17560384, 19019368, 19331920, 21950480, 23774210, 24541120, 25614794, 28708480, 29964476, 30931072, 35120768, 37455595, 38038736, 38663840, 43900960, 47548420, 49082240, 51229588, 59928952, 64036985, 74911190, 76077472, 77327680, 87801920, 95096840, 102459176, 119857904, 128073970, 149822380, 152154944, 154655360, 175603840, 190193680, 204918352, 239715808, 256147940, 299644760, 304309888, 380387360, 397029307, 409836704, 479431616, 512295880, 599289520, 760774720, 794058614, 819673408, 958863232, 1024591760, 1198579040, 1521549440, 1588117228, 1639346816, 1985146535, 2049183520, 2397158080, 3176234456, 3970293070, 4098367040, 4794316160, 6352468912, 7940586140, 8196734080, 12704937824, 15881172280, 25409875648, 31762344560, 50819751296, 63524689120, 127049378240, 254098756480]

約数ペア:

[(1, 254098756480), (2, 127049378240), (4, 63524689120), (5, 50819751296), (8, 31762344560), (10, 25409875648), (16, 15881172280), (20, 12704937824), (31, 8196734080), (32, 7940586140), (40, 6352468912), (53, 4794316160), (62, 4098367040), (64, 3970293070), (80, 3176234456), (106, 2397158080), (124, 2049183520), (128, 1985146535), (155, 1639346816), (160, 1588117228), (167, 1521549440), (212, 1198579040), (248, 1024591760), (265, 958863232), (310, 819673408), (320, 794058614), (334, 760774720), (424, 599289520), (496, 512295880), (530, 479431616), (620, 409836704), (640, 397029307), (668, 380387360), (835, 304309888), (848, 299644760), (992, 256147940), (1060, 239715808), (1240, 204918352), (1336, 190193680), (1447, 175603840), (1643, 154655360), (1670, 152154944), (1696, 149822380), (1984, 128073970), (2120, 119857904), (2480, 102459176), (2672, 95096840), (2894, 87801920), (3286, 77327680), (3340, 76077472), (3392, 74911190), (3968, 64036985), (4240, 59928952), (4960, 51229588), (5177, 49082240), (5344, 47548420), (5788, 43900960), (6572, 38663840), (6680, 38038736), (6784, 37455595), (7235, 35120768), (8215, 30931072), (8480, 29964476), (8851, 28708480), (9920, 25614794), (10354, 24541120), (10688, 23774210), (11576, 21950480), (13144, 19331920), (13360, 19019368), (14470, 17560384), (16430, 15465536), (16960, 14982238), (17702, 14354240), (19840, 12807397), (20708, 12270560), (21376, 11887105), (23152, 10975240), (25885, 9816448), (26288, 9665960), (26720, 9509684), (28940, 8780192), (32860, 7732768), (33920, 7491119), (35404, 7177120), (41416, 6135280), (44255, 5741696), (44857, 5664640), (46304, 5487620), (51770, 4908224), (52576, 4832980), (53440, 4754842), (57880, 4390096), (65720, 3866384), (70808, 3588560), (76691, 3313280), (82832, 3067640), (88510, 2870848), (89714, 2832320), (92608, 2743810), (103540, 2454112), (105152, 2416490), (106880, 2377421), (115760, 2195048), (131440, 1933192), (141616, 1794280), (153382, 1656640), (165664, 1533820), (177020, 1435424), (179428, 1416160), (185216, 1371905), (207080, 1227056), (210304, 1208245), (224285, 1132928), (231520, 1097524), (241649, 1051520), (262880, 966596), (274381, 926080), (283232, 897140), (306764, 828320), (331328, 766910), (354040, 717712), (358856, 708080), (383455, 662656), (414160, 613528), (448570, 566464), (463040, 548762), (483298, 525760)]