17888974040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67751}}^1$

素因数の和:67833

約数の個数: 128

約数和(自身を含む): 49171691520

約数和(自身を除く): 31282717480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 41, 46, 56, 70, 82, 92, 115, 140, 161, 164, 184, 205, 230, 280, 287, 322, 328, 410, 460, 574, 644, 805, 820, 920, 943, 1148, 1288, 1435, 1610, 1640, 1886, 2296, 2870, 3220, 3772, 4715, 5740, 6440, 6601, 7544, 9430, 11480, 13202, 18860, 26404, 33005, 37720, 52808, 66010, 67751, 132020, 135502, 264040, 271004, 338755, 474257, 542008, 677510, 948514, 1355020, 1558273, 1897028, 2371285, 2710040, 2777791, 3116546, 3794056, 4742570, 5555582, 6233092, 7791365, 9485140, 10907911, 11111164, 12466184, 13888955, 15582730, 18970280, 19444537, 21815822, 22222328, 27777910, 31165460, 38889074, 43631644, 54539555, 55555820, 62330920, 63889193, 77778148, 87263288, 97222685, 109079110, 111111640, 127778386, 155556296, 194445370, 218158220, 255556772, 319445965, 388890740, 436316440, 447224351, 511113544, 638891930, 777781480, 894448702, 1277783860, 1788897404, 2236121755, 2555567720, 3577794808, 4472243510, 8944487020, 17888974040]

約数ペア:

[(1, 17888974040), (2, 8944487020), (4, 4472243510), (5, 3577794808), (7, 2555567720), (8, 2236121755), (10, 1788897404), (14, 1277783860), (20, 894448702), (23, 777781480), (28, 638891930), (35, 511113544), (40, 447224351), (41, 436316440), (46, 388890740), (56, 319445965), (70, 255556772), (82, 218158220), (92, 194445370), (115, 155556296), (140, 127778386), (161, 111111640), (164, 109079110), (184, 97222685), (205, 87263288), (230, 77778148), (280, 63889193), (287, 62330920), (322, 55555820), (328, 54539555), (410, 43631644), (460, 38889074), (574, 31165460), (644, 27777910), (805, 22222328), (820, 21815822), (920, 19444537), (943, 18970280), (1148, 15582730), (1288, 13888955), (1435, 12466184), (1610, 11111164), (1640, 10907911), (1886, 9485140), (2296, 7791365), (2870, 6233092), (3220, 5555582), (3772, 4742570), (4715, 3794056), (5740, 3116546), (6440, 2777791), (6601, 2710040), (7544, 2371285), (9430, 1897028), (11480, 1558273), (13202, 1355020), (18860, 948514), (26404, 677510), (33005, 542008), (37720, 474257), (52808, 338755), (66010, 271004), (67751, 264040), (132020, 135502)]