28846720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 81077760

約数和(自身を除く): 52231040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 137, 140, 160, 188, 224, 235, 274, 280, 320, 329, 376, 448, 470, 548, 560, 640, 658, 685, 752, 896, 940, 959, 1096, 1120, 1316, 1370, 1504, 1645, 1880, 1918, 2192, 2240, 2632, 2740, 3008, 3290, 3760, 3836, 4384, 4480, 4795, 5264, 5480, 6016, 6439, 6580, 7520, 7672, 8768, 9590, 10528, 10960, 12878, 13160, 15040, 15344, 17536, 19180, 21056, 21920, 25756, 26320, 30080, 30688, 32195, 38360, 42112, 43840, 45073, 51512, 52640, 61376, 64390, 76720, 87680, 90146, 103024, 105280, 122752, 128780, 153440, 180292, 206048, 210560, 225365, 257560, 306880, 360584, 412096, 450730, 515120, 613760, 721168, 824192, 901460, 1030240, 1442336, 1802920, 2060480, 2884672, 3605840, 4120960, 5769344, 7211680, 14423360, 28846720]

約数ペア:

[(1, 28846720), (2, 14423360), (4, 7211680), (5, 5769344), (7, 4120960), (8, 3605840), (10, 2884672), (14, 2060480), (16, 1802920), (20, 1442336), (28, 1030240), (32, 901460), (35, 824192), (40, 721168), (47, 613760), (56, 515120), (64, 450730), (70, 412096), (80, 360584), (94, 306880), (112, 257560), (128, 225365), (137, 210560), (140, 206048), (160, 180292), (188, 153440), (224, 128780), (235, 122752), (274, 105280), (280, 103024), (320, 90146), (329, 87680), (376, 76720), (448, 64390), (470, 61376), (548, 52640), (560, 51512), (640, 45073), (658, 43840), (685, 42112), (752, 38360), (896, 32195), (940, 30688), (959, 30080), (1096, 26320), (1120, 25756), (1316, 21920), (1370, 21056), (1504, 19180), (1645, 17536), (1880, 15344), (1918, 15040), (2192, 13160), (2240, 12878), (2632, 10960), (2740, 10528), (3008, 9590), (3290, 8768), (3760, 7672), (3836, 7520), (4384, 6580), (4480, 6439), (4795, 6016), (5264, 5480)]