81770760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1153}}^1$

素因数の和:1367

約数の個数: 96

約数和(自身を含む): 267335640

約数和(自身を除く): 185564880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1153, 1182, 1576, 1773, 1970, 2306, 2364, 2955, 3459, 3546, 3940, 4612, 4728, 5765, 5910, 6918, 7092, 7880, 8865, 9224, 10377, 11530, 11820, 13836, 14184, 17295, 17730, 20754, 23060, 23640, 27672, 34590, 35460, 41508, 46120, 51885, 69180, 70920, 83016, 103770, 138360, 207540, 227141, 415080, 454282, 681423, 908564, 1135705, 1362846, 1817128, 2044269, 2271410, 2725692, 3407115, 4088538, 4542820, 5451384, 6814230, 8177076, 9085640, 10221345, 13628460, 16354152, 20442690, 27256920, 40885380, 81770760]

約数ペア:

[(1, 81770760), (2, 40885380), (3, 27256920), (4, 20442690), (5, 16354152), (6, 13628460), (8, 10221345), (9, 9085640), (10, 8177076), (12, 6814230), (15, 5451384), (18, 4542820), (20, 4088538), (24, 3407115), (30, 2725692), (36, 2271410), (40, 2044269), (45, 1817128), (60, 1362846), (72, 1135705), (90, 908564), (120, 681423), (180, 454282), (197, 415080), (360, 227141), (394, 207540), (591, 138360), (788, 103770), (985, 83016), (1153, 70920), (1182, 69180), (1576, 51885), (1773, 46120), (1970, 41508), (2306, 35460), (2364, 34590), (2955, 27672), (3459, 23640), (3546, 23060), (3940, 20754), (4612, 17730), (4728, 17295), (5765, 14184), (5910, 13836), (6918, 11820), (7092, 11530), (7880, 10377), (8865, 9224)]