220646720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:880

約数の個数: 112

約数和(自身を含む): 605698560

約数和(自身を除く): 385051840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 224, 274, 280, 320, 448, 548, 560, 685, 719, 959, 1096, 1120, 1370, 1438, 1918, 2192, 2240, 2740, 2876, 3595, 3836, 4384, 4795, 5033, 5480, 5752, 7190, 7672, 8768, 9590, 10066, 10960, 11504, 14380, 15344, 19180, 20132, 21920, 23008, 25165, 28760, 30688, 38360, 40264, 43840, 46016, 50330, 57520, 61376, 76720, 80528, 98503, 100660, 115040, 153440, 161056, 197006, 201320, 230080, 306880, 322112, 394012, 402640, 492515, 689521, 788024, 805280, 985030, 1379042, 1576048, 1610560, 1970060, 2758084, 3152096, 3447605, 3940120, 5516168, 6304192, 6895210, 7880240, 11032336, 13790420, 15760480, 22064672, 27580840, 31520960, 44129344, 55161680, 110323360, 220646720]

約数ペア:

[(1, 220646720), (2, 110323360), (4, 55161680), (5, 44129344), (7, 31520960), (8, 27580840), (10, 22064672), (14, 15760480), (16, 13790420), (20, 11032336), (28, 7880240), (32, 6895210), (35, 6304192), (40, 5516168), (56, 3940120), (64, 3447605), (70, 3152096), (80, 2758084), (112, 1970060), (137, 1610560), (140, 1576048), (160, 1379042), (224, 985030), (274, 805280), (280, 788024), (320, 689521), (448, 492515), (548, 402640), (560, 394012), (685, 322112), (719, 306880), (959, 230080), (1096, 201320), (1120, 197006), (1370, 161056), (1438, 153440), (1918, 115040), (2192, 100660), (2240, 98503), (2740, 80528), (2876, 76720), (3595, 61376), (3836, 57520), (4384, 50330), (4795, 46016), (5033, 43840), (5480, 40264), (5752, 38360), (7190, 30688), (7672, 28760), (8768, 25165), (9590, 23008), (10066, 21920), (10960, 20132), (11504, 19180), (14380, 15344)]