287027520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 224

約数和(自身を含む): 995111040

約数和(自身を除く): 708083520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 109, 120, 130, 156, 160, 192, 195, 208, 211, 218, 240, 260, 312, 320, 327, 390, 416, 422, 436, 480, 520, 545, 624, 633, 654, 780, 832, 844, 872, 960, 1040, 1055, 1090, 1248, 1266, 1308, 1417, 1560, 1635, 1688, 1744, 2080, 2110, 2180, 2496, 2532, 2616, 2743, 2834, 3120, 3165, 3270, 3376, 3488, 4160, 4220, 4251, 4360, 5064, 5232, 5486, 5668, 6240, 6330, 6540, 6752, 6976, 7085, 8229, 8440, 8502, 8720, 10128, 10464, 10972, 11336, 12480, 12660, 13080, 13504, 13715, 14170, 16458, 16880, 17004, 17440, 20256, 20928, 21255, 21944, 22672, 22999, 25320, 26160, 27430, 28340, 32916, 33760, 34008, 34880, 40512, 41145, 42510, 43888, 45344, 45998, 50640, 52320, 54860, 56680, 65832, 67520, 68016, 68997, 82290, 85020, 87776, 90688, 91996, 101280, 104640, 109720, 113360, 114995, 131664, 136032, 137994, 164580, 170040, 175552, 183992, 202560, 219440, 226720, 229990, 263328, 272064, 275988, 298987, 329160, 340080, 344985, 367984, 438880, 453440, 459980, 526656, 551976, 597974, 658320, 680160, 689970, 735968, 877760, 896961, 919960, 1103952, 1195948, 1316640, 1360320, 1379940, 1471936, 1494935, 1793922, 1839920, 2207904, 2391896, 2633280, 2759880, 2989870, 3587844, 3679840, 4415808, 4484805, 4783792, 5519760, 5979740, 7175688, 7359680, 8969610, 9567584, 11039520, 11959480, 14351376, 17939220, 19135168, 22079040, 23918960, 28702752, 35878440, 47837920, 57405504, 71756880, 95675840, 143513760, 287027520]

約数ペア:

[(1, 287027520), (2, 143513760), (3, 95675840), (4, 71756880), (5, 57405504), (6, 47837920), (8, 35878440), (10, 28702752), (12, 23918960), (13, 22079040), (15, 19135168), (16, 17939220), (20, 14351376), (24, 11959480), (26, 11039520), (30, 9567584), (32, 8969610), (39, 7359680), (40, 7175688), (48, 5979740), (52, 5519760), (60, 4783792), (64, 4484805), (65, 4415808), (78, 3679840), (80, 3587844), (96, 2989870), (104, 2759880), (109, 2633280), (120, 2391896), (130, 2207904), (156, 1839920), (160, 1793922), (192, 1494935), (195, 1471936), (208, 1379940), (211, 1360320), (218, 1316640), (240, 1195948), (260, 1103952), (312, 919960), (320, 896961), (327, 877760), (390, 735968), (416, 689970), (422, 680160), (436, 658320), (480, 597974), (520, 551976), (545, 526656), (624, 459980), (633, 453440), (654, 438880), (780, 367984), (832, 344985), (844, 340080), (872, 329160), (960, 298987), (1040, 275988), (1055, 272064), (1090, 263328), (1248, 229990), (1266, 226720), (1308, 219440), (1417, 202560), (1560, 183992), (1635, 175552), (1688, 170040), (1744, 164580), (2080, 137994), (2110, 136032), (2180, 131664), (2496, 114995), (2532, 113360), (2616, 109720), (2743, 104640), (2834, 101280), (3120, 91996), (3165, 90688), (3270, 87776), (3376, 85020), (3488, 82290), (4160, 68997), (4220, 68016), (4251, 67520), (4360, 65832), (5064, 56680), (5232, 54860), (5486, 52320), (5668, 50640), (6240, 45998), (6330, 45344), (6540, 43888), (6752, 42510), (6976, 41145), (7085, 40512), (8229, 34880), (8440, 34008), (8502, 33760), (8720, 32916), (10128, 28340), (10464, 27430), (10972, 26160), (11336, 25320), (12480, 22999), (12660, 22672), (13080, 21944), (13504, 21255), (13715, 20928), (14170, 20256), (16458, 17440), (16880, 17004)]