2020120280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 4990464000

約数和(自身を除く): 2970343720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 151, 152, 190, 232, 290, 302, 380, 551, 580, 604, 607, 755, 760, 1102, 1160, 1208, 1214, 1510, 2204, 2428, 2755, 2869, 3020, 3035, 4379, 4408, 4856, 5510, 5738, 6040, 6070, 8758, 11020, 11476, 11533, 12140, 14345, 17516, 17603, 21895, 22040, 22952, 23066, 24280, 28690, 35032, 35206, 43790, 46132, 57380, 57665, 70412, 83201, 87580, 88015, 91657, 92264, 114760, 115330, 140824, 166402, 175160, 176030, 183314, 230660, 332804, 334457, 352060, 366628, 416005, 458285, 461320, 665608, 668914, 704120, 733256, 832010, 916570, 1337828, 1664020, 1672285, 1741483, 1833140, 2658053, 2675656, 3328040, 3344570, 3482966, 3666280, 5316106, 6689140, 6965932, 8707415, 10632212, 13290265, 13378280, 13931864, 17414830, 21264424, 26580530, 34829660, 50503007, 53161060, 69659320, 101006014, 106322120, 202012028, 252515035, 404024056, 505030070, 1010060140, 2020120280]

約数ペア:

[(1, 2020120280), (2, 1010060140), (4, 505030070), (5, 404024056), (8, 252515035), (10, 202012028), (19, 106322120), (20, 101006014), (29, 69659320), (38, 53161060), (40, 50503007), (58, 34829660), (76, 26580530), (95, 21264424), (116, 17414830), (145, 13931864), (151, 13378280), (152, 13290265), (190, 10632212), (232, 8707415), (290, 6965932), (302, 6689140), (380, 5316106), (551, 3666280), (580, 3482966), (604, 3344570), (607, 3328040), (755, 2675656), (760, 2658053), (1102, 1833140), (1160, 1741483), (1208, 1672285), (1214, 1664020), (1510, 1337828), (2204, 916570), (2428, 832010), (2755, 733256), (2869, 704120), (3020, 668914), (3035, 665608), (4379, 461320), (4408, 458285), (4856, 416005), (5510, 366628), (5738, 352060), (6040, 334457), (6070, 332804), (8758, 230660), (11020, 183314), (11476, 176030), (11533, 175160), (12140, 166402), (14345, 140824), (17516, 115330), (17603, 114760), (21895, 92264), (22040, 91657), (22952, 88015), (23066, 87580), (24280, 83201), (28690, 70412), (35032, 57665), (35206, 57380), (43790, 46132)]