319531520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1662

約数の個数: 160

約数和(自身を含む): 955760256

約数和(自身を除く): 636228736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1621, 1760, 1792, 2240, 2464, 2560, 2816, 3080, 3242, 3520, 3584, 4480, 4928, 5632, 6160, 6484, 7040, 8105, 8960, 9856, 11347, 12320, 12968, 14080, 16210, 17831, 17920, 19712, 22694, 24640, 25936, 28160, 32420, 35662, 39424, 45388, 49280, 51872, 56735, 64840, 71324, 89155, 90776, 98560, 103744, 113470, 124817, 129680, 142648, 178310, 181552, 197120, 207488, 226940, 249634, 259360, 285296, 356620, 363104, 414976, 453880, 499268, 518720, 570592, 624085, 713240, 726208, 829952, 907760, 998536, 1037440, 1141184, 1248170, 1426480, 1452416, 1815520, 1997072, 2074880, 2282368, 2496340, 2852960, 2904832, 3631040, 3994144, 4149760, 4564736, 4992680, 5705920, 5809664, 7262080, 7988288, 9129472, 9985360, 11411840, 14524160, 15976576, 19970720, 22823680, 29048320, 31953152, 39941440, 45647360, 63906304, 79882880, 159765760, 319531520]

約数ペア:

[(1, 319531520), (2, 159765760), (4, 79882880), (5, 63906304), (7, 45647360), (8, 39941440), (10, 31953152), (11, 29048320), (14, 22823680), (16, 19970720), (20, 15976576), (22, 14524160), (28, 11411840), (32, 9985360), (35, 9129472), (40, 7988288), (44, 7262080), (55, 5809664), (56, 5705920), (64, 4992680), (70, 4564736), (77, 4149760), (80, 3994144), (88, 3631040), (110, 2904832), (112, 2852960), (128, 2496340), (140, 2282368), (154, 2074880), (160, 1997072), (176, 1815520), (220, 1452416), (224, 1426480), (256, 1248170), (280, 1141184), (308, 1037440), (320, 998536), (352, 907760), (385, 829952), (440, 726208), (448, 713240), (512, 624085), (560, 570592), (616, 518720), (640, 499268), (704, 453880), (770, 414976), (880, 363104), (896, 356620), (1120, 285296), (1232, 259360), (1280, 249634), (1408, 226940), (1540, 207488), (1621, 197120), (1760, 181552), (1792, 178310), (2240, 142648), (2464, 129680), (2560, 124817), (2816, 113470), (3080, 103744), (3242, 98560), (3520, 90776), (3584, 89155), (4480, 71324), (4928, 64840), (5632, 56735), (6160, 51872), (6484, 49280), (7040, 45388), (8105, 39424), (8960, 35662), (9856, 32420), (11347, 28160), (12320, 25936), (12968, 24640), (14080, 22694), (16210, 19712), (17831, 17920)]