30984520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2699}}^1$

素因数の和:2758

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 50663480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2699, 2870, 5398, 5740, 10796, 11480, 13495, 18893, 21592, 26990, 37786, 53980, 75572, 94465, 107960, 110659, 151144, 188930, 221318, 377860, 442636, 553295, 755720, 774613, 885272, 1106590, 1549226, 2213180, 3098452, 3873065, 4426360, 6196904, 7746130, 15492260, 30984520]

約数ペア:

[(1, 30984520), (2, 15492260), (4, 7746130), (5, 6196904), (7, 4426360), (8, 3873065), (10, 3098452), (14, 2213180), (20, 1549226), (28, 1106590), (35, 885272), (40, 774613), (41, 755720), (56, 553295), (70, 442636), (82, 377860), (140, 221318), (164, 188930), (205, 151144), (280, 110659), (287, 107960), (328, 94465), (410, 75572), (574, 53980), (820, 37786), (1148, 26990), (1435, 21592), (1640, 18893), (2296, 13495), (2699, 11480), (2870, 10796), (5398, 5740)]