68381480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 163995840

約数和(自身を除く): 95614360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 227, 340, 443, 454, 680, 886, 908, 1135, 1772, 1816, 2215, 2270, 3544, 3859, 4430, 4540, 7531, 7718, 8860, 9080, 15062, 15436, 17720, 19295, 30124, 30872, 37655, 38590, 60248, 75310, 77180, 100561, 150620, 154360, 201122, 301240, 402244, 502805, 804488, 1005610, 1709537, 2011220, 3419074, 4022440, 6838148, 8547685, 13676296, 17095370, 34190740, 68381480]

約数ペア:

[(1, 68381480), (2, 34190740), (4, 17095370), (5, 13676296), (8, 8547685), (10, 6838148), (17, 4022440), (20, 3419074), (34, 2011220), (40, 1709537), (68, 1005610), (85, 804488), (136, 502805), (170, 402244), (227, 301240), (340, 201122), (443, 154360), (454, 150620), (680, 100561), (886, 77180), (908, 75310), (1135, 60248), (1772, 38590), (1816, 37655), (2215, 30872), (2270, 30124), (3544, 19295), (3859, 17720), (4430, 15436), (4540, 15062), (7531, 9080), (7718, 8860)]