205908080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:583

約数の個数: 160

約数和(自身を含む): 593961984

約数和(自身を除く): 388053904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 80, 85, 86, 112, 119, 136, 140, 170, 172, 215, 238, 272, 280, 301, 340, 344, 430, 476, 503, 560, 595, 602, 680, 688, 731, 860, 952, 1006, 1190, 1204, 1360, 1462, 1505, 1720, 1904, 2012, 2380, 2408, 2515, 2924, 3010, 3440, 3521, 3655, 4024, 4760, 4816, 5030, 5117, 5848, 6020, 7042, 7310, 8048, 8551, 9520, 10060, 10234, 11696, 12040, 14084, 14620, 17102, 17605, 20120, 20468, 21629, 24080, 25585, 28168, 29240, 34204, 35210, 40240, 40936, 42755, 43258, 51170, 56336, 58480, 59857, 68408, 70420, 81872, 85510, 86516, 102340, 108145, 119714, 136816, 140840, 151403, 171020, 173032, 204680, 216290, 239428, 281680, 299285, 302806, 342040, 346064, 367693, 409360, 432580, 478856, 598570, 605612, 684080, 735386, 757015, 865160, 957712, 1197140, 1211224, 1470772, 1514030, 1730320, 1838465, 2394280, 2422448, 2573851, 2941544, 3028060, 3676930, 4788560, 5147702, 5883088, 6056120, 7353860, 10295404, 12112240, 12869255, 14707720, 20590808, 25738510, 29415440, 41181616, 51477020, 102954040, 205908080]

約数ペア:

[(1, 205908080), (2, 102954040), (4, 51477020), (5, 41181616), (7, 29415440), (8, 25738510), (10, 20590808), (14, 14707720), (16, 12869255), (17, 12112240), (20, 10295404), (28, 7353860), (34, 6056120), (35, 5883088), (40, 5147702), (43, 4788560), (56, 3676930), (68, 3028060), (70, 2941544), (80, 2573851), (85, 2422448), (86, 2394280), (112, 1838465), (119, 1730320), (136, 1514030), (140, 1470772), (170, 1211224), (172, 1197140), (215, 957712), (238, 865160), (272, 757015), (280, 735386), (301, 684080), (340, 605612), (344, 598570), (430, 478856), (476, 432580), (503, 409360), (560, 367693), (595, 346064), (602, 342040), (680, 302806), (688, 299285), (731, 281680), (860, 239428), (952, 216290), (1006, 204680), (1190, 173032), (1204, 171020), (1360, 151403), (1462, 140840), (1505, 136816), (1720, 119714), (1904, 108145), (2012, 102340), (2380, 86516), (2408, 85510), (2515, 81872), (2924, 70420), (3010, 68408), (3440, 59857), (3521, 58480), (3655, 56336), (4024, 51170), (4760, 43258), (4816, 42755), (5030, 40936), (5117, 40240), (5848, 35210), (6020, 34204), (7042, 29240), (7310, 28168), (8048, 25585), (8551, 24080), (9520, 21629), (10060, 20468), (10234, 20120), (11696, 17605), (12040, 17102), (14084, 14620)]