258501760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:606

約数の個数: 128

約数和(自身を含む): 684754560

約数和(自身を除く): 426252800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 110, 128, 146, 160, 176, 220, 292, 320, 352, 365, 440, 503, 584, 640, 704, 730, 803, 880, 1006, 1168, 1408, 1460, 1606, 1760, 2012, 2336, 2515, 2920, 3212, 3520, 4015, 4024, 4672, 5030, 5533, 5840, 6424, 7040, 8030, 8048, 9344, 10060, 11066, 11680, 12848, 16060, 16096, 20120, 22132, 23360, 25696, 27665, 32120, 32192, 36719, 40240, 44264, 46720, 51392, 55330, 64240, 64384, 73438, 80480, 88528, 102784, 110660, 128480, 146876, 160960, 177056, 183595, 221320, 256960, 293752, 321920, 354112, 367190, 403909, 442640, 513920, 587504, 708224, 734380, 807818, 885280, 1175008, 1468760, 1615636, 1770560, 2019545, 2350016, 2937520, 3231272, 3541120, 4039090, 4700032, 5875040, 6462544, 8078180, 11750080, 12925088, 16156360, 23500160, 25850176, 32312720, 51700352, 64625440, 129250880, 258501760]

約数ペア:

[(1, 258501760), (2, 129250880), (4, 64625440), (5, 51700352), (8, 32312720), (10, 25850176), (11, 23500160), (16, 16156360), (20, 12925088), (22, 11750080), (32, 8078180), (40, 6462544), (44, 5875040), (55, 4700032), (64, 4039090), (73, 3541120), (80, 3231272), (88, 2937520), (110, 2350016), (128, 2019545), (146, 1770560), (160, 1615636), (176, 1468760), (220, 1175008), (292, 885280), (320, 807818), (352, 734380), (365, 708224), (440, 587504), (503, 513920), (584, 442640), (640, 403909), (704, 367190), (730, 354112), (803, 321920), (880, 293752), (1006, 256960), (1168, 221320), (1408, 183595), (1460, 177056), (1606, 160960), (1760, 146876), (2012, 128480), (2336, 110660), (2515, 102784), (2920, 88528), (3212, 80480), (3520, 73438), (4015, 64384), (4024, 64240), (4672, 55330), (5030, 51392), (5533, 46720), (5840, 44264), (6424, 40240), (7040, 36719), (8030, 32192), (8048, 32120), (9344, 27665), (10060, 25696), (11066, 23360), (11680, 22132), (12848, 20120), (16060, 16096)]