655325440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 288

約数和(自身を含む): 2007371520

約数和(自身を除く): 1352046080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 64, 70, 77, 80, 88, 109, 110, 112, 122, 128, 140, 154, 160, 176, 218, 220, 224, 244, 256, 280, 305, 308, 320, 352, 385, 427, 436, 440, 448, 488, 545, 560, 610, 616, 640, 671, 704, 763, 770, 854, 872, 880, 896, 976, 1090, 1120, 1199, 1220, 1232, 1280, 1342, 1408, 1526, 1540, 1708, 1744, 1760, 1792, 1952, 2135, 2180, 2240, 2398, 2440, 2464, 2684, 2816, 3052, 3080, 3355, 3416, 3488, 3520, 3815, 3904, 4270, 4360, 4480, 4697, 4796, 4880, 4928, 5368, 5995, 6104, 6160, 6649, 6710, 6832, 6976, 7040, 7630, 7808, 8393, 8540, 8720, 8960, 9394, 9592, 9760, 9856, 10736, 11990, 12208, 12320, 13298, 13420, 13664, 13952, 14080, 15260, 15616, 16786, 17080, 17440, 18788, 19184, 19520, 19712, 21472, 23485, 23980, 24416, 24640, 26596, 26840, 27328, 27904, 30520, 33245, 33572, 34160, 34880, 37576, 38368, 39040, 41965, 42944, 46543, 46970, 47960, 48832, 49280, 53192, 53680, 54656, 61040, 66490, 67144, 68320, 69760, 73139, 75152, 76736, 78080, 83930, 85888, 93086, 93940, 95920, 97664, 98560, 106384, 107360, 109312, 122080, 132980, 134288, 136640, 139520, 146278, 150304, 153472, 167860, 171776, 186172, 187880, 191840, 195328, 212768, 214720, 232715, 244160, 265960, 268576, 273280, 292556, 300608, 306944, 335720, 365695, 372344, 375760, 383680, 425536, 429440, 465430, 488320, 511973, 531920, 537152, 546560, 585112, 601216, 671440, 731390, 744688, 751520, 767360, 851072, 858880, 930860, 976640, 1023946, 1063840, 1074304, 1170224, 1202432, 1342880, 1462780, 1489376, 1503040, 1534720, 1702144, 1861720, 2047892, 2127680, 2148608, 2340448, 2559865, 2685760, 2925560, 2978752, 3006080, 3723440, 4095784, 4255360, 4680896, 5119730, 5371520, 5851120, 5957504, 6012160, 7446880, 8191568, 8510720, 9361792, 10239460, 10743040, 11702240, 11915008, 14893760, 16383136, 18723584, 20478920, 23404480, 29787520, 32766272, 40957840, 46808960, 59575040, 65532544, 81915680, 93617920, 131065088, 163831360, 327662720, 655325440]

約数ペア:

[(1, 655325440), (2, 327662720), (4, 163831360), (5, 131065088), (7, 93617920), (8, 81915680), (10, 65532544), (11, 59575040), (14, 46808960), (16, 40957840), (20, 32766272), (22, 29787520), (28, 23404480), (32, 20478920), (35, 18723584), (40, 16383136), (44, 14893760), (55, 11915008), (56, 11702240), (61, 10743040), (64, 10239460), (70, 9361792), (77, 8510720), (80, 8191568), (88, 7446880), (109, 6012160), (110, 5957504), (112, 5851120), (122, 5371520), (128, 5119730), (140, 4680896), (154, 4255360), (160, 4095784), (176, 3723440), (218, 3006080), (220, 2978752), (224, 2925560), (244, 2685760), (256, 2559865), (280, 2340448), (305, 2148608), (308, 2127680), (320, 2047892), (352, 1861720), (385, 1702144), (427, 1534720), (436, 1503040), (440, 1489376), (448, 1462780), (488, 1342880), (545, 1202432), (560, 1170224), (610, 1074304), (616, 1063840), (640, 1023946), (671, 976640), (704, 930860), (763, 858880), (770, 851072), (854, 767360), (872, 751520), (880, 744688), (896, 731390), (976, 671440), (1090, 601216), (1120, 585112), (1199, 546560), (1220, 537152), (1232, 531920), (1280, 511973), (1342, 488320), (1408, 465430), (1526, 429440), (1540, 425536), (1708, 383680), (1744, 375760), (1760, 372344), (1792, 365695), (1952, 335720), (2135, 306944), (2180, 300608), (2240, 292556), (2398, 273280), (2440, 268576), (2464, 265960), (2684, 244160), (2816, 232715), (3052, 214720), (3080, 212768), (3355, 195328), (3416, 191840), (3488, 187880), (3520, 186172), (3815, 171776), (3904, 167860), (4270, 153472), (4360, 150304), (4480, 146278), (4697, 139520), (4796, 136640), (4880, 134288), (4928, 132980), (5368, 122080), (5995, 109312), (6104, 107360), (6160, 106384), (6649, 98560), (6710, 97664), (6832, 95920), (6976, 93940), (7040, 93086), (7630, 85888), (7808, 83930), (8393, 78080), (8540, 76736), (8720, 75152), (8960, 73139), (9394, 69760), (9592, 68320), (9760, 67144), (9856, 66490), (10736, 61040), (11990, 54656), (12208, 53680), (12320, 53192), (13298, 49280), (13420, 48832), (13664, 47960), (13952, 46970), (14080, 46543), (15260, 42944), (15616, 41965), (16786, 39040), (17080, 38368), (17440, 37576), (18788, 34880), (19184, 34160), (19520, 33572), (19712, 33245), (21472, 30520), (23485, 27904), (23980, 27328), (24416, 26840), (24640, 26596)]