277714640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 160

約数和(自身を含む): 796139520

約数和(自身を除く): 518424880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 172, 190, 215, 266, 280, 301, 304, 344, 380, 430, 532, 560, 602, 607, 665, 688, 760, 817, 860, 1064, 1204, 1214, 1330, 1505, 1520, 1634, 1720, 2128, 2408, 2428, 2660, 3010, 3035, 3268, 3440, 4085, 4249, 4816, 4856, 5320, 5719, 6020, 6070, 6536, 8170, 8498, 9712, 10640, 11438, 11533, 12040, 12140, 13072, 16340, 16996, 21245, 22876, 23066, 24080, 24280, 26101, 28595, 32680, 33992, 42490, 45752, 46132, 48560, 52202, 57190, 57665, 65360, 67984, 80731, 84980, 91504, 92264, 104404, 114380, 115330, 130505, 161462, 169960, 182707, 184528, 208808, 228760, 230660, 261010, 322924, 339920, 365414, 403655, 417616, 457520, 461320, 495919, 522020, 645848, 730828, 807310, 913535, 922640, 991838, 1044040, 1291696, 1461656, 1614620, 1827070, 1983676, 2088080, 2479595, 2923312, 3229240, 3471433, 3654140, 3967352, 4959190, 6458480, 6942866, 7308280, 7934704, 9918380, 13885732, 14616560, 17357165, 19836760, 27771464, 34714330, 39673520, 55542928, 69428660, 138857320, 277714640]

約数ペア:

[(1, 277714640), (2, 138857320), (4, 69428660), (5, 55542928), (7, 39673520), (8, 34714330), (10, 27771464), (14, 19836760), (16, 17357165), (19, 14616560), (20, 13885732), (28, 9918380), (35, 7934704), (38, 7308280), (40, 6942866), (43, 6458480), (56, 4959190), (70, 3967352), (76, 3654140), (80, 3471433), (86, 3229240), (95, 2923312), (112, 2479595), (133, 2088080), (140, 1983676), (152, 1827070), (172, 1614620), (190, 1461656), (215, 1291696), (266, 1044040), (280, 991838), (301, 922640), (304, 913535), (344, 807310), (380, 730828), (430, 645848), (532, 522020), (560, 495919), (602, 461320), (607, 457520), (665, 417616), (688, 403655), (760, 365414), (817, 339920), (860, 322924), (1064, 261010), (1204, 230660), (1214, 228760), (1330, 208808), (1505, 184528), (1520, 182707), (1634, 169960), (1720, 161462), (2128, 130505), (2408, 115330), (2428, 114380), (2660, 104404), (3010, 92264), (3035, 91504), (3268, 84980), (3440, 80731), (4085, 67984), (4249, 65360), (4816, 57665), (4856, 57190), (5320, 52202), (5719, 48560), (6020, 46132), (6070, 45752), (6536, 42490), (8170, 33992), (8498, 32680), (9712, 28595), (10640, 26101), (11438, 24280), (11533, 24080), (12040, 23066), (12140, 22876), (13072, 21245), (16340, 16996)]