205395840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 288

約数和(自身を含む): 771652440

約数和(自身を除く): 566256600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 169, 180, 192, 195, 208, 211, 234, 240, 260, 288, 312, 320, 338, 360, 384, 390, 416, 422, 468, 480, 507, 520, 576, 585, 624, 633, 640, 676, 720, 780, 832, 844, 845, 936, 960, 1014, 1040, 1055, 1152, 1170, 1248, 1266, 1352, 1440, 1521, 1560, 1664, 1688, 1690, 1872, 1899, 1920, 2028, 2080, 2110, 2340, 2496, 2532, 2535, 2704, 2743, 2880, 3042, 3120, 3165, 3376, 3380, 3744, 3798, 4056, 4160, 4220, 4680, 4992, 5064, 5070, 5408, 5486, 5760, 6084, 6240, 6330, 6752, 6760, 7488, 7596, 7605, 8112, 8229, 8320, 8440, 9360, 9495, 10128, 10140, 10816, 10972, 12168, 12480, 12660, 13504, 13520, 13715, 14976, 15192, 15210, 16224, 16458, 16880, 18720, 18990, 20256, 20280, 21632, 21944, 24336, 24687, 24960, 25320, 27008, 27040, 27430, 30384, 30420, 32448, 32916, 33760, 35659, 37440, 37980, 40512, 40560, 41145, 43888, 48672, 49374, 50640, 54080, 54860, 60768, 60840, 64896, 65832, 67520, 71318, 74880, 75960, 81024, 81120, 82290, 87776, 97344, 98748, 101280, 106977, 108160, 109720, 121536, 121680, 123435, 131664, 135040, 142636, 151920, 162240, 164580, 175552, 178295, 194688, 197496, 202560, 213954, 219440, 243072, 243360, 246870, 263328, 285272, 303840, 320931, 324480, 329160, 351104, 356590, 394992, 405120, 427908, 438880, 486720, 493740, 526656, 534885, 570544, 607680, 641862, 658320, 713180, 789984, 855816, 877760, 973440, 987480, 1053312, 1069770, 1141088, 1215360, 1283724, 1316640, 1426360, 1579968, 1604655, 1711632, 1755520, 1974960, 2139540, 2282176, 2567448, 2633280, 2852720, 3159936, 3209310, 3423264, 3949920, 4279080, 4564352, 5134896, 5266560, 5705440, 6418620, 6846528, 7899840, 8558160, 10269792, 11410880, 12837240, 13693056, 15799680, 17116320, 20539584, 22821760, 25674480, 34232640, 41079168, 51348960, 68465280, 102697920, 205395840]

約数ペア:

[(1, 205395840), (2, 102697920), (3, 68465280), (4, 51348960), (5, 41079168), (6, 34232640), (8, 25674480), (9, 22821760), (10, 20539584), (12, 17116320), (13, 15799680), (15, 13693056), (16, 12837240), (18, 11410880), (20, 10269792), (24, 8558160), (26, 7899840), (30, 6846528), (32, 6418620), (36, 5705440), (39, 5266560), (40, 5134896), (45, 4564352), (48, 4279080), (52, 3949920), (60, 3423264), (64, 3209310), (65, 3159936), (72, 2852720), (78, 2633280), (80, 2567448), (90, 2282176), (96, 2139540), (104, 1974960), (117, 1755520), (120, 1711632), (128, 1604655), (130, 1579968), (144, 1426360), (156, 1316640), (160, 1283724), (169, 1215360), (180, 1141088), (192, 1069770), (195, 1053312), (208, 987480), (211, 973440), (234, 877760), (240, 855816), (260, 789984), (288, 713180), (312, 658320), (320, 641862), (338, 607680), (360, 570544), (384, 534885), (390, 526656), (416, 493740), (422, 486720), (468, 438880), (480, 427908), (507, 405120), (520, 394992), (576, 356590), (585, 351104), (624, 329160), (633, 324480), (640, 320931), (676, 303840), (720, 285272), (780, 263328), (832, 246870), (844, 243360), (845, 243072), (936, 219440), (960, 213954), (1014, 202560), (1040, 197496), (1055, 194688), (1152, 178295), (1170, 175552), (1248, 164580), (1266, 162240), (1352, 151920), (1440, 142636), (1521, 135040), (1560, 131664), (1664, 123435), (1688, 121680), (1690, 121536), (1872, 109720), (1899, 108160), (1920, 106977), (2028, 101280), (2080, 98748), (2110, 97344), (2340, 87776), (2496, 82290), (2532, 81120), (2535, 81024), (2704, 75960), (2743, 74880), (2880, 71318), (3042, 67520), (3120, 65832), (3165, 64896), (3376, 60840), (3380, 60768), (3744, 54860), (3798, 54080), (4056, 50640), (4160, 49374), (4220, 48672), (4680, 43888), (4992, 41145), (5064, 40560), (5070, 40512), (5408, 37980), (5486, 37440), (5760, 35659), (6084, 33760), (6240, 32916), (6330, 32448), (6752, 30420), (6760, 30384), (7488, 27430), (7596, 27040), (7605, 27008), (8112, 25320), (8229, 24960), (8320, 24687), (8440, 24336), (9360, 21944), (9495, 21632), (10128, 20280), (10140, 20256), (10816, 18990), (10972, 18720), (12168, 16880), (12480, 16458), (12660, 16224), (13504, 15210), (13520, 15192), (13715, 14976)]