40885380

素因数分解:

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

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 124756632

約数和(自身を除く): 83871252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1153, 1182, 1773, 1970, 2306, 2364, 2955, 3459, 3546, 3940, 4612, 5765, 5910, 6918, 7092, 8865, 10377, 11530, 11820, 13836, 17295, 17730, 20754, 23060, 34590, 35460, 41508, 51885, 69180, 103770, 207540, 227141, 454282, 681423, 908564, 1135705, 1362846, 2044269, 2271410, 2725692, 3407115, 4088538, 4542820, 6814230, 8177076, 10221345, 13628460, 20442690, 40885380]

約数ペア:

[(1, 40885380), (2, 20442690), (3, 13628460), (4, 10221345), (5, 8177076), (6, 6814230), (9, 4542820), (10, 4088538), (12, 3407115), (15, 2725692), (18, 2271410), (20, 2044269), (30, 1362846), (36, 1135705), (45, 908564), (60, 681423), (90, 454282), (180, 227141), (197, 207540), (394, 103770), (591, 69180), (788, 51885), (985, 41508), (1153, 35460), (1182, 34590), (1773, 23060), (1970, 20754), (2306, 17730), (2364, 17295), (2955, 13836), (3459, 11820), (3546, 11530), (3940, 10377), (4612, 8865), (5765, 7092), (5910, 6918)]