256139520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:777

約数の個数: 288

約数和(自身を含む): 1008198912

約数和(自身を除く): 752059392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 640, 672, 728, 733, 768, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1280, 1344, 1365, 1456, 1466, 1560, 1664, 1680, 1792, 1820, 1920, 2080, 2184, 2199, 2240, 2496, 2688, 2730, 2912, 2932, 3120, 3328, 3360, 3640, 3665, 3840, 4160, 4368, 4398, 4480, 4992, 5131, 5376, 5460, 5824, 5864, 6240, 6720, 7280, 7330, 8320, 8736, 8796, 8960, 9529, 9984, 10262, 10920, 10995, 11648, 11728, 12480, 13440, 14560, 14660, 15393, 16640, 17472, 17592, 19058, 20524, 21840, 21990, 23296, 23456, 24960, 25655, 26880, 28587, 29120, 29320, 30786, 34944, 35184, 38116, 41048, 43680, 43980, 46912, 47645, 49920, 51310, 57174, 58240, 58640, 61572, 66703, 69888, 70368, 76232, 76965, 82096, 87360, 87960, 93824, 95290, 102620, 114348, 116480, 117280, 123144, 133406, 140736, 142935, 152464, 153930, 164192, 174720, 175920, 187648, 190580, 200109, 205240, 228696, 234560, 246288, 266812, 281472, 285870, 304928, 307860, 328384, 333515, 349440, 351840, 381160, 400218, 410480, 457392, 469120, 492576, 533624, 562944, 571740, 609856, 615720, 656768, 667030, 703680, 762320, 800436, 820960, 914784, 938240, 985152, 1000545, 1067248, 1143480, 1219712, 1231440, 1313536, 1334060, 1407360, 1524640, 1600872, 1641920, 1829568, 1970304, 2001090, 2134496, 2286960, 2439424, 2462880, 2668120, 2814720, 3049280, 3201744, 3283840, 3659136, 3940608, 4002180, 4268992, 4573920, 4925760, 5336240, 6098560, 6403488, 6567680, 7318272, 8004360, 8537984, 9147840, 9851520, 10672480, 12197120, 12806976, 16008720, 17075968, 18295680, 19703040, 21344960, 25613952, 32017440, 36591360, 42689920, 51227904, 64034880, 85379840, 128069760, 256139520]

約数ペア:

[(1, 256139520), (2, 128069760), (3, 85379840), (4, 64034880), (5, 51227904), (6, 42689920), (7, 36591360), (8, 32017440), (10, 25613952), (12, 21344960), (13, 19703040), (14, 18295680), (15, 17075968), (16, 16008720), (20, 12806976), (21, 12197120), (24, 10672480), (26, 9851520), (28, 9147840), (30, 8537984), (32, 8004360), (35, 7318272), (39, 6567680), (40, 6403488), (42, 6098560), (48, 5336240), (52, 4925760), (56, 4573920), (60, 4268992), (64, 4002180), (65, 3940608), (70, 3659136), (78, 3283840), (80, 3201744), (84, 3049280), (91, 2814720), (96, 2668120), (104, 2462880), (105, 2439424), (112, 2286960), (120, 2134496), (128, 2001090), (130, 1970304), (140, 1829568), (156, 1641920), (160, 1600872), (168, 1524640), (182, 1407360), (192, 1334060), (195, 1313536), (208, 1231440), (210, 1219712), (224, 1143480), (240, 1067248), (256, 1000545), (260, 985152), (273, 938240), (280, 914784), (312, 820960), (320, 800436), (336, 762320), (364, 703680), (384, 667030), (390, 656768), (416, 615720), (420, 609856), (448, 571740), (455, 562944), (480, 533624), (520, 492576), (546, 469120), (560, 457392), (624, 410480), (640, 400218), (672, 381160), (728, 351840), (733, 349440), (768, 333515), (780, 328384), (832, 307860), (840, 304928), (896, 285870), (910, 281472), (960, 266812), (1040, 246288), (1092, 234560), (1120, 228696), (1248, 205240), (1280, 200109), (1344, 190580), (1365, 187648), (1456, 175920), (1466, 174720), (1560, 164192), (1664, 153930), (1680, 152464), (1792, 142935), (1820, 140736), (1920, 133406), (2080, 123144), (2184, 117280), (2199, 116480), (2240, 114348), (2496, 102620), (2688, 95290), (2730, 93824), (2912, 87960), (2932, 87360), (3120, 82096), (3328, 76965), (3360, 76232), (3640, 70368), (3665, 69888), (3840, 66703), (4160, 61572), (4368, 58640), (4398, 58240), (4480, 57174), (4992, 51310), (5131, 49920), (5376, 47645), (5460, 46912), (5824, 43980), (5864, 43680), (6240, 41048), (6720, 38116), (7280, 35184), (7330, 34944), (8320, 30786), (8736, 29320), (8796, 29120), (8960, 28587), (9529, 26880), (9984, 25655), (10262, 24960), (10920, 23456), (10995, 23296), (11648, 21990), (11728, 21840), (12480, 20524), (13440, 19058), (14560, 17592), (14660, 17472), (15393, 16640)]