81419520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 321414912

約数和(自身を除く): 239995392

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, 233, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 466, 480, 520, 546, 560, 624, 640, 672, 699, 728, 768, 780, 832, 840, 896, 910, 932, 960, 1040, 1092, 1120, 1165, 1248, 1280, 1344, 1365, 1398, 1456, 1560, 1631, 1664, 1680, 1792, 1820, 1864, 1920, 2080, 2184, 2240, 2330, 2496, 2688, 2730, 2796, 2912, 3029, 3120, 3262, 3328, 3360, 3495, 3640, 3728, 3840, 4160, 4368, 4480, 4660, 4893, 4992, 5376, 5460, 5592, 5824, 6058, 6240, 6524, 6720, 6990, 7280, 7456, 8155, 8320, 8736, 8960, 9087, 9320, 9786, 9984, 10920, 11184, 11648, 12116, 12480, 13048, 13440, 13980, 14560, 14912, 15145, 16310, 16640, 17472, 18174, 18640, 19572, 21203, 21840, 22368, 23296, 24232, 24465, 24960, 26096, 26880, 27960, 29120, 29824, 30290, 32620, 34944, 36348, 37280, 39144, 42406, 43680, 44736, 45435, 48464, 48930, 49920, 52192, 55920, 58240, 59648, 60580, 63609, 65240, 69888, 72696, 74560, 78288, 84812, 87360, 89472, 90870, 96928, 97860, 104384, 106015, 111840, 116480, 121160, 127218, 130480, 145392, 149120, 156576, 169624, 174720, 178944, 181740, 193856, 195720, 208768, 212030, 223680, 242320, 254436, 260960, 290784, 298240, 313152, 318045, 339248, 349440, 363480, 387712, 391440, 417536, 424060, 447360, 484640, 508872, 521920, 581568, 626304, 636090, 678496, 726960, 775424, 782880, 848120, 894720, 969280, 1017744, 1043840, 1163136, 1252608, 1272180, 1356992, 1453920, 1565760, 1696240, 1938560, 2035488, 2087680, 2326272, 2544360, 2713984, 2907840, 3131520, 3392480, 3877120, 4070976, 5088720, 5427968, 5815680, 6263040, 6784960, 8141952, 10177440, 11631360, 13569920, 16283904, 20354880, 27139840, 40709760, 81419520]

約数ペア:

[(1, 81419520), (2, 40709760), (3, 27139840), (4, 20354880), (5, 16283904), (6, 13569920), (7, 11631360), (8, 10177440), (10, 8141952), (12, 6784960), (13, 6263040), (14, 5815680), (15, 5427968), (16, 5088720), (20, 4070976), (21, 3877120), (24, 3392480), (26, 3131520), (28, 2907840), (30, 2713984), (32, 2544360), (35, 2326272), (39, 2087680), (40, 2035488), (42, 1938560), (48, 1696240), (52, 1565760), (56, 1453920), (60, 1356992), (64, 1272180), (65, 1252608), (70, 1163136), (78, 1043840), (80, 1017744), (84, 969280), (91, 894720), (96, 848120), (104, 782880), (105, 775424), (112, 726960), (120, 678496), (128, 636090), (130, 626304), (140, 581568), (156, 521920), (160, 508872), (168, 484640), (182, 447360), (192, 424060), (195, 417536), (208, 391440), (210, 387712), (224, 363480), (233, 349440), (240, 339248), (256, 318045), (260, 313152), (273, 298240), (280, 290784), (312, 260960), (320, 254436), (336, 242320), (364, 223680), (384, 212030), (390, 208768), (416, 195720), (420, 193856), (448, 181740), (455, 178944), (466, 174720), (480, 169624), (520, 156576), (546, 149120), (560, 145392), (624, 130480), (640, 127218), (672, 121160), (699, 116480), (728, 111840), (768, 106015), (780, 104384), (832, 97860), (840, 96928), (896, 90870), (910, 89472), (932, 87360), (960, 84812), (1040, 78288), (1092, 74560), (1120, 72696), (1165, 69888), (1248, 65240), (1280, 63609), (1344, 60580), (1365, 59648), (1398, 58240), (1456, 55920), (1560, 52192), (1631, 49920), (1664, 48930), (1680, 48464), (1792, 45435), (1820, 44736), (1864, 43680), (1920, 42406), (2080, 39144), (2184, 37280), (2240, 36348), (2330, 34944), (2496, 32620), (2688, 30290), (2730, 29824), (2796, 29120), (2912, 27960), (3029, 26880), (3120, 26096), (3262, 24960), (3328, 24465), (3360, 24232), (3495, 23296), (3640, 22368), (3728, 21840), (3840, 21203), (4160, 19572), (4368, 18640), (4480, 18174), (4660, 17472), (4893, 16640), (4992, 16310), (5376, 15145), (5460, 14912), (5592, 14560), (5824, 13980), (6058, 13440), (6240, 13048), (6524, 12480), (6720, 12116), (6990, 11648), (7280, 11184), (7456, 10920), (8155, 9984), (8320, 9786), (8736, 9320), (8960, 9087)]