1616542720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:350

約数の個数: 176

約数和(自身を含む): 4229920800

約数和(自身を除く): 2613378080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 149, 160, 163, 208, 256, 260, 298, 320, 326, 416, 512, 520, 596, 640, 652, 745, 815, 832, 1024, 1040, 1192, 1280, 1304, 1490, 1630, 1664, 1937, 2080, 2119, 2384, 2560, 2608, 2980, 3260, 3328, 3874, 4160, 4238, 4768, 5120, 5216, 5960, 6520, 6656, 7748, 8320, 8476, 9536, 9685, 10432, 10595, 11920, 13040, 13312, 15496, 16640, 16952, 19072, 19370, 20864, 21190, 23840, 24287, 26080, 30992, 33280, 33904, 38144, 38740, 41728, 42380, 47680, 48574, 52160, 61984, 66560, 67808, 76288, 77480, 83456, 84760, 95360, 97148, 104320, 121435, 123968, 135616, 152576, 154960, 166912, 169520, 190720, 194296, 208640, 242870, 247936, 271232, 309920, 315731, 339040, 381440, 388592, 417280, 485740, 495872, 542464, 619840, 631462, 678080, 762880, 777184, 834560, 971480, 991744, 1084928, 1239680, 1262924, 1356160, 1554368, 1578655, 1942960, 1983488, 2169856, 2479360, 2525848, 2712320, 3108736, 3157310, 3885920, 4958720, 5051696, 5424640, 6217472, 6314620, 7771840, 9917440, 10103392, 10849280, 12434944, 12629240, 15543680, 20206784, 24869888, 25258480, 31087360, 40413568, 50516960, 62174720, 80827136, 101033920, 124349440, 161654272, 202067840, 323308544, 404135680, 808271360, 1616542720]

約数ペア:

[(1, 1616542720), (2, 808271360), (4, 404135680), (5, 323308544), (8, 202067840), (10, 161654272), (13, 124349440), (16, 101033920), (20, 80827136), (26, 62174720), (32, 50516960), (40, 40413568), (52, 31087360), (64, 25258480), (65, 24869888), (80, 20206784), (104, 15543680), (128, 12629240), (130, 12434944), (149, 10849280), (160, 10103392), (163, 9917440), (208, 7771840), (256, 6314620), (260, 6217472), (298, 5424640), (320, 5051696), (326, 4958720), (416, 3885920), (512, 3157310), (520, 3108736), (596, 2712320), (640, 2525848), (652, 2479360), (745, 2169856), (815, 1983488), (832, 1942960), (1024, 1578655), (1040, 1554368), (1192, 1356160), (1280, 1262924), (1304, 1239680), (1490, 1084928), (1630, 991744), (1664, 971480), (1937, 834560), (2080, 777184), (2119, 762880), (2384, 678080), (2560, 631462), (2608, 619840), (2980, 542464), (3260, 495872), (3328, 485740), (3874, 417280), (4160, 388592), (4238, 381440), (4768, 339040), (5120, 315731), (5216, 309920), (5960, 271232), (6520, 247936), (6656, 242870), (7748, 208640), (8320, 194296), (8476, 190720), (9536, 169520), (9685, 166912), (10432, 154960), (10595, 152576), (11920, 135616), (13040, 123968), (13312, 121435), (15496, 104320), (16640, 97148), (16952, 95360), (19072, 84760), (19370, 83456), (20864, 77480), (21190, 76288), (23840, 67808), (24287, 66560), (26080, 61984), (30992, 52160), (33280, 48574), (33904, 47680), (38144, 42380), (38740, 41728)]