204625440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 288

約数和(自身を含む): 765011520

約数和(自身を除く): 560386080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 243, 270, 277, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 486, 513, 540, 554, 570, 608, 648, 684, 720, 760, 810, 831, 855, 864, 912, 972, 1026, 1080, 1108, 1140, 1215, 1296, 1368, 1385, 1440, 1520, 1539, 1620, 1662, 1710, 1824, 1944, 2052, 2160, 2216, 2280, 2430, 2493, 2565, 2592, 2736, 2770, 3040, 3078, 3240, 3324, 3420, 3888, 4104, 4155, 4320, 4432, 4560, 4617, 4860, 4986, 5130, 5263, 5472, 5540, 6156, 6480, 6648, 6840, 7479, 7695, 7776, 8208, 8310, 8864, 9120, 9234, 9720, 9972, 10260, 10526, 11080, 12312, 12465, 12960, 13296, 13680, 14958, 15390, 15789, 16416, 16620, 18468, 19440, 19944, 20520, 21052, 22160, 22437, 23085, 24624, 24930, 26315, 26592, 27360, 29916, 30780, 31578, 33240, 36936, 37395, 38880, 39888, 41040, 42104, 44320, 44874, 46170, 47367, 49248, 49860, 52630, 59832, 61560, 63156, 66480, 67311, 73872, 74790, 78945, 79776, 82080, 84208, 89748, 92340, 94734, 99720, 105260, 112185, 119664, 123120, 126312, 132960, 134622, 142101, 147744, 149580, 157890, 168416, 179496, 184680, 189468, 199440, 210520, 224370, 236835, 239328, 246240, 252624, 269244, 284202, 299160, 315780, 336555, 358992, 369360, 378936, 398880, 421040, 426303, 448740, 473670, 505248, 538488, 568404, 598320, 631560, 673110, 710505, 717984, 738720, 757872, 842080, 852606, 897480, 947340, 1076976, 1136808, 1196640, 1263120, 1278909, 1346220, 1421010, 1515744, 1705212, 1794960, 1894680, 2131515, 2153952, 2273616, 2526240, 2557818, 2692440, 2842020, 3410424, 3589920, 3789360, 4263030, 4547232, 5115636, 5384880, 5684040, 6394545, 6820848, 7578720, 8526060, 10231272, 10769760, 11368080, 12789090, 13641696, 17052120, 20462544, 22736160, 25578180, 34104240, 40925088, 51156360, 68208480, 102312720, 204625440]

約数ペア:

[(1, 204625440), (2, 102312720), (3, 68208480), (4, 51156360), (5, 40925088), (6, 34104240), (8, 25578180), (9, 22736160), (10, 20462544), (12, 17052120), (15, 13641696), (16, 12789090), (18, 11368080), (19, 10769760), (20, 10231272), (24, 8526060), (27, 7578720), (30, 6820848), (32, 6394545), (36, 5684040), (38, 5384880), (40, 5115636), (45, 4547232), (48, 4263030), (54, 3789360), (57, 3589920), (60, 3410424), (72, 2842020), (76, 2692440), (80, 2557818), (81, 2526240), (90, 2273616), (95, 2153952), (96, 2131515), (108, 1894680), (114, 1794960), (120, 1705212), (135, 1515744), (144, 1421010), (152, 1346220), (160, 1278909), (162, 1263120), (171, 1196640), (180, 1136808), (190, 1076976), (216, 947340), (228, 897480), (240, 852606), (243, 842080), (270, 757872), (277, 738720), (285, 717984), (288, 710505), (304, 673110), (324, 631560), (342, 598320), (360, 568404), (380, 538488), (405, 505248), (432, 473670), (456, 448740), (480, 426303), (486, 421040), (513, 398880), (540, 378936), (554, 369360), (570, 358992), (608, 336555), (648, 315780), (684, 299160), (720, 284202), (760, 269244), (810, 252624), (831, 246240), (855, 239328), (864, 236835), (912, 224370), (972, 210520), (1026, 199440), (1080, 189468), (1108, 184680), (1140, 179496), (1215, 168416), (1296, 157890), (1368, 149580), (1385, 147744), (1440, 142101), (1520, 134622), (1539, 132960), (1620, 126312), (1662, 123120), (1710, 119664), (1824, 112185), (1944, 105260), (2052, 99720), (2160, 94734), (2216, 92340), (2280, 89748), (2430, 84208), (2493, 82080), (2565, 79776), (2592, 78945), (2736, 74790), (2770, 73872), (3040, 67311), (3078, 66480), (3240, 63156), (3324, 61560), (3420, 59832), (3888, 52630), (4104, 49860), (4155, 49248), (4320, 47367), (4432, 46170), (4560, 44874), (4617, 44320), (4860, 42104), (4986, 41040), (5130, 39888), (5263, 38880), (5472, 37395), (5540, 36936), (6156, 33240), (6480, 31578), (6648, 30780), (6840, 29916), (7479, 27360), (7695, 26592), (7776, 26315), (8208, 24930), (8310, 24624), (8864, 23085), (9120, 22437), (9234, 22160), (9720, 21052), (9972, 20520), (10260, 19944), (10526, 19440), (11080, 18468), (12312, 16620), (12465, 16416), (12960, 15789), (13296, 15390), (13680, 14958)]