20861465400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{76753}}^1$

素因数の和:76926

約数の個数: 144

約数和(自身を含む): 70524645360

約数和(自身を除く): 49663179960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 151, 180, 200, 225, 300, 302, 360, 450, 453, 600, 604, 755, 900, 906, 1208, 1359, 1510, 1800, 1812, 2265, 2718, 3020, 3624, 3775, 4530, 5436, 6040, 6795, 7550, 9060, 10872, 11325, 13590, 15100, 18120, 22650, 27180, 30200, 33975, 45300, 54360, 67950, 76753, 90600, 135900, 153506, 230259, 271800, 307012, 383765, 460518, 614024, 690777, 767530, 921036, 1151295, 1381554, 1535060, 1842072, 1918825, 2302590, 2763108, 3070120, 3453885, 3837650, 4605180, 5526216, 5756475, 6907770, 7675300, 9210360, 11512950, 11589703, 13815540, 15350600, 17269425, 23025900, 23179406, 27631080, 34538850, 34769109, 46051800, 46358812, 57948515, 69077700, 69538218, 92717624, 104307327, 115897030, 138155400, 139076436, 173845545, 208614654, 231794060, 278152872, 289742575, 347691090, 417229308, 463588120, 521536635, 579485150, 695382180, 834458616, 869227725, 1043073270, 1158970300, 1390764360, 1738455450, 2086146540, 2317940600, 2607683175, 3476910900, 4172293080, 5215366350, 6953821800, 10430732700, 20861465400]

約数ペア:

[(1, 20861465400), (2, 10430732700), (3, 6953821800), (4, 5215366350), (5, 4172293080), (6, 3476910900), (8, 2607683175), (9, 2317940600), (10, 2086146540), (12, 1738455450), (15, 1390764360), (18, 1158970300), (20, 1043073270), (24, 869227725), (25, 834458616), (30, 695382180), (36, 579485150), (40, 521536635), (45, 463588120), (50, 417229308), (60, 347691090), (72, 289742575), (75, 278152872), (90, 231794060), (100, 208614654), (120, 173845545), (150, 139076436), (151, 138155400), (180, 115897030), (200, 104307327), (225, 92717624), (300, 69538218), (302, 69077700), (360, 57948515), (450, 46358812), (453, 46051800), (600, 34769109), (604, 34538850), (755, 27631080), (900, 23179406), (906, 23025900), (1208, 17269425), (1359, 15350600), (1510, 13815540), (1800, 11589703), (1812, 11512950), (2265, 9210360), (2718, 7675300), (3020, 6907770), (3624, 5756475), (3775, 5526216), (4530, 4605180), (5436, 3837650), (6040, 3453885), (6795, 3070120), (7550, 2763108), (9060, 2302590), (10872, 1918825), (11325, 1842072), (13590, 1535060), (15100, 1381554), (18120, 1151295), (22650, 921036), (27180, 767530), (30200, 690777), (33975, 614024), (45300, 460518), (54360, 383765), (67950, 307012), (76753, 271800), (90600, 230259), (135900, 153506)]