204550640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 569963520

約数和(自身を除く): 365412880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 59, 70, 80, 82, 112, 118, 140, 151, 164, 205, 236, 280, 287, 295, 302, 328, 410, 413, 472, 560, 574, 590, 604, 656, 755, 820, 826, 944, 1057, 1148, 1180, 1208, 1435, 1510, 1640, 1652, 2065, 2114, 2296, 2360, 2416, 2419, 2870, 3020, 3280, 3304, 4130, 4228, 4592, 4720, 4838, 5285, 5740, 6040, 6191, 6608, 8260, 8456, 8909, 9676, 10570, 11480, 12080, 12095, 12382, 16520, 16912, 16933, 17818, 19352, 21140, 22960, 24190, 24764, 30955, 33040, 33866, 35636, 38704, 42280, 43337, 44545, 48380, 49528, 61910, 62363, 67732, 71272, 84560, 84665, 86674, 89090, 96760, 99056, 123820, 124726, 135464, 142544, 169330, 173348, 178180, 193520, 216685, 247640, 249452, 270928, 311815, 338660, 346696, 356360, 365269, 433370, 495280, 498904, 623630, 677320, 693392, 712720, 730538, 866740, 997808, 1247260, 1354640, 1461076, 1733480, 1826345, 2494520, 2556883, 2922152, 3466960, 3652690, 4989040, 5113766, 5844304, 7305380, 10227532, 12784415, 14610760, 20455064, 25568830, 29221520, 40910128, 51137660, 102275320, 204550640]

約数ペア:

[(1, 204550640), (2, 102275320), (4, 51137660), (5, 40910128), (7, 29221520), (8, 25568830), (10, 20455064), (14, 14610760), (16, 12784415), (20, 10227532), (28, 7305380), (35, 5844304), (40, 5113766), (41, 4989040), (56, 3652690), (59, 3466960), (70, 2922152), (80, 2556883), (82, 2494520), (112, 1826345), (118, 1733480), (140, 1461076), (151, 1354640), (164, 1247260), (205, 997808), (236, 866740), (280, 730538), (287, 712720), (295, 693392), (302, 677320), (328, 623630), (410, 498904), (413, 495280), (472, 433370), (560, 365269), (574, 356360), (590, 346696), (604, 338660), (656, 311815), (755, 270928), (820, 249452), (826, 247640), (944, 216685), (1057, 193520), (1148, 178180), (1180, 173348), (1208, 169330), (1435, 142544), (1510, 135464), (1640, 124726), (1652, 123820), (2065, 99056), (2114, 96760), (2296, 89090), (2360, 86674), (2416, 84665), (2419, 84560), (2870, 71272), (3020, 67732), (3280, 62363), (3304, 61910), (4130, 49528), (4228, 48380), (4592, 44545), (4720, 43337), (4838, 42280), (5285, 38704), (5740, 35636), (6040, 33866), (6191, 33040), (6608, 30955), (8260, 24764), (8456, 24190), (8909, 22960), (9676, 21140), (10570, 19352), (11480, 17818), (12080, 16933), (12095, 16912), (12382, 16520)]