82661480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 220682880

約数和(自身を除く): 138021400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 43, 44, 55, 68, 85, 86, 88, 110, 136, 170, 172, 187, 215, 220, 257, 340, 344, 374, 430, 440, 473, 514, 680, 731, 748, 860, 935, 946, 1028, 1285, 1462, 1496, 1720, 1870, 1892, 2056, 2365, 2570, 2827, 2924, 3655, 3740, 3784, 4369, 4730, 5140, 5654, 5848, 7310, 7480, 8041, 8738, 9460, 10280, 11051, 11308, 14135, 14620, 16082, 17476, 18920, 21845, 22102, 22616, 28270, 29240, 32164, 34952, 40205, 43690, 44204, 48059, 55255, 56540, 64328, 80410, 87380, 88408, 96118, 110510, 113080, 121561, 160820, 174760, 187867, 192236, 221020, 240295, 243122, 321640, 375734, 384472, 442040, 480590, 486244, 607805, 751468, 939335, 961180, 972488, 1215610, 1502936, 1878670, 1922360, 2066537, 2431220, 3757340, 4133074, 4862440, 7514680, 8266148, 10332685, 16532296, 20665370, 41330740, 82661480]

約数ペア:

[(1, 82661480), (2, 41330740), (4, 20665370), (5, 16532296), (8, 10332685), (10, 8266148), (11, 7514680), (17, 4862440), (20, 4133074), (22, 3757340), (34, 2431220), (40, 2066537), (43, 1922360), (44, 1878670), (55, 1502936), (68, 1215610), (85, 972488), (86, 961180), (88, 939335), (110, 751468), (136, 607805), (170, 486244), (172, 480590), (187, 442040), (215, 384472), (220, 375734), (257, 321640), (340, 243122), (344, 240295), (374, 221020), (430, 192236), (440, 187867), (473, 174760), (514, 160820), (680, 121561), (731, 113080), (748, 110510), (860, 96118), (935, 88408), (946, 87380), (1028, 80410), (1285, 64328), (1462, 56540), (1496, 55255), (1720, 48059), (1870, 44204), (1892, 43690), (2056, 40205), (2365, 34952), (2570, 32164), (2827, 29240), (2924, 28270), (3655, 22616), (3740, 22102), (3784, 21845), (4369, 18920), (4730, 17476), (5140, 16082), (5654, 14620), (5848, 14135), (7310, 11308), (7480, 11051), (8041, 10280), (8738, 9460)]