67545520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17231}}^1$

素因数の和:17258

約数の個数: 60

約数和(自身を含む): 182693664

約数和(自身を除く): 115148144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17231, 34462, 68924, 86155, 120617, 137848, 172310, 241234, 275696, 344620, 482468, 603085, 689240, 844319, 964936, 1206170, 1378480, 1688638, 1929872, 2412340, 3377276, 4221595, 4824680, 6754552, 8443190, 9649360, 13509104, 16886380, 33772760, 67545520]

約数ペア:

[(1, 67545520), (2, 33772760), (4, 16886380), (5, 13509104), (7, 9649360), (8, 8443190), (10, 6754552), (14, 4824680), (16, 4221595), (20, 3377276), (28, 2412340), (35, 1929872), (40, 1688638), (49, 1378480), (56, 1206170), (70, 964936), (80, 844319), (98, 689240), (112, 603085), (140, 482468), (196, 344620), (245, 275696), (280, 241234), (392, 172310), (490, 137848), (560, 120617), (784, 86155), (980, 68924), (1960, 34462), (3920, 17231)]