78271760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 222842880

約数和(自身を除く): 144571120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 59, 70, 80, 92, 103, 112, 115, 118, 140, 161, 184, 206, 230, 236, 280, 295, 322, 368, 412, 413, 460, 472, 515, 560, 590, 644, 721, 805, 824, 826, 920, 944, 1030, 1180, 1288, 1357, 1442, 1610, 1648, 1652, 1840, 2060, 2065, 2360, 2369, 2576, 2714, 2884, 3220, 3304, 3605, 4120, 4130, 4720, 4738, 5428, 5768, 6077, 6440, 6608, 6785, 7210, 8240, 8260, 9476, 9499, 10856, 11536, 11845, 12154, 12880, 13570, 14420, 16520, 16583, 18952, 18998, 21712, 23690, 24308, 27140, 28840, 30385, 33040, 33166, 37904, 37996, 42539, 47380, 47495, 48616, 54280, 57680, 60770, 66332, 75992, 82915, 85078, 94760, 94990, 97232, 108560, 121540, 132664, 139771, 151984, 165830, 170156, 189520, 189980, 212695, 243080, 265328, 279542, 331660, 340312, 379960, 425390, 486160, 559084, 663320, 680624, 698855, 759920, 850780, 978397, 1118168, 1326640, 1397710, 1701560, 1956794, 2236336, 2795420, 3403120, 3913588, 4891985, 5590840, 7827176, 9783970, 11181680, 15654352, 19567940, 39135880, 78271760]

約数ペア:

[(1, 78271760), (2, 39135880), (4, 19567940), (5, 15654352), (7, 11181680), (8, 9783970), (10, 7827176), (14, 5590840), (16, 4891985), (20, 3913588), (23, 3403120), (28, 2795420), (35, 2236336), (40, 1956794), (46, 1701560), (56, 1397710), (59, 1326640), (70, 1118168), (80, 978397), (92, 850780), (103, 759920), (112, 698855), (115, 680624), (118, 663320), (140, 559084), (161, 486160), (184, 425390), (206, 379960), (230, 340312), (236, 331660), (280, 279542), (295, 265328), (322, 243080), (368, 212695), (412, 189980), (413, 189520), (460, 170156), (472, 165830), (515, 151984), (560, 139771), (590, 132664), (644, 121540), (721, 108560), (805, 97232), (824, 94990), (826, 94760), (920, 85078), (944, 82915), (1030, 75992), (1180, 66332), (1288, 60770), (1357, 57680), (1442, 54280), (1610, 48616), (1648, 47495), (1652, 47380), (1840, 42539), (2060, 37996), (2065, 37904), (2360, 33166), (2369, 33040), (2576, 30385), (2714, 28840), (2884, 27140), (3220, 24308), (3304, 23690), (3605, 21712), (4120, 18998), (4130, 18952), (4720, 16583), (4738, 16520), (5428, 14420), (5768, 13570), (6077, 12880), (6440, 12154), (6608, 11845), (6785, 11536), (7210, 10856), (8240, 9499), (8260, 9476)]