321708520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1087}}^1$

素因数の和:1263

約数の個数: 96

約数和(自身を含む): 848378880

約数和(自身を除く): 526670360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 151, 196, 245, 280, 302, 392, 490, 604, 755, 980, 1057, 1087, 1208, 1510, 1960, 2114, 2174, 3020, 4228, 4348, 5285, 5435, 6040, 7399, 7609, 8456, 8696, 10570, 10870, 14798, 15218, 21140, 21740, 29596, 30436, 36995, 38045, 42280, 43480, 53263, 59192, 60872, 73990, 76090, 106526, 147980, 152180, 164137, 213052, 266315, 295960, 304360, 328274, 426104, 532630, 656548, 820685, 1065260, 1148959, 1313096, 1641370, 2130520, 2297918, 3282740, 4595836, 5744795, 6565480, 8042713, 9191672, 11489590, 16085426, 22979180, 32170852, 40213565, 45958360, 64341704, 80427130, 160854260, 321708520]

約数ペア:

[(1, 321708520), (2, 160854260), (4, 80427130), (5, 64341704), (7, 45958360), (8, 40213565), (10, 32170852), (14, 22979180), (20, 16085426), (28, 11489590), (35, 9191672), (40, 8042713), (49, 6565480), (56, 5744795), (70, 4595836), (98, 3282740), (140, 2297918), (151, 2130520), (196, 1641370), (245, 1313096), (280, 1148959), (302, 1065260), (392, 820685), (490, 656548), (604, 532630), (755, 426104), (980, 328274), (1057, 304360), (1087, 295960), (1208, 266315), (1510, 213052), (1960, 164137), (2114, 152180), (2174, 147980), (3020, 106526), (4228, 76090), (4348, 73990), (5285, 60872), (5435, 59192), (6040, 53263), (7399, 43480), (7609, 42280), (8456, 38045), (8696, 36995), (10570, 30436), (10870, 29596), (14798, 21740), (15218, 21140)]