348807680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 160

約数和(自身を含む): 923940864

約数和(自身を除く): 575133184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 64, 65, 80, 94, 104, 128, 130, 160, 188, 208, 223, 235, 256, 260, 320, 376, 416, 446, 470, 512, 520, 611, 640, 752, 832, 892, 940, 1040, 1115, 1222, 1280, 1504, 1664, 1784, 1880, 2080, 2230, 2444, 2560, 2899, 3008, 3055, 3328, 3568, 3760, 4160, 4460, 4888, 5798, 6016, 6110, 6656, 7136, 7520, 8320, 8920, 9776, 10481, 11596, 12032, 12220, 14272, 14495, 15040, 16640, 17840, 19552, 20962, 23192, 24064, 24440, 28544, 28990, 30080, 33280, 35680, 39104, 41924, 46384, 48880, 52405, 57088, 57980, 60160, 71360, 78208, 83848, 92768, 97760, 104810, 114176, 115960, 120320, 136253, 142720, 156416, 167696, 185536, 195520, 209620, 231920, 272506, 285440, 312832, 335392, 371072, 391040, 419240, 463840, 545012, 570880, 670784, 681265, 742144, 782080, 838480, 927680, 1090024, 1341568, 1362530, 1484288, 1564160, 1676960, 1855360, 2180048, 2683136, 2725060, 3353920, 3710720, 4360096, 5366272, 5450120, 6707840, 7421440, 8720192, 10900240, 13415680, 17440384, 21800480, 26831360, 34880768, 43600960, 69761536, 87201920, 174403840, 348807680]

約数ペア:

[(1, 348807680), (2, 174403840), (4, 87201920), (5, 69761536), (8, 43600960), (10, 34880768), (13, 26831360), (16, 21800480), (20, 17440384), (26, 13415680), (32, 10900240), (40, 8720192), (47, 7421440), (52, 6707840), (64, 5450120), (65, 5366272), (80, 4360096), (94, 3710720), (104, 3353920), (128, 2725060), (130, 2683136), (160, 2180048), (188, 1855360), (208, 1676960), (223, 1564160), (235, 1484288), (256, 1362530), (260, 1341568), (320, 1090024), (376, 927680), (416, 838480), (446, 782080), (470, 742144), (512, 681265), (520, 670784), (611, 570880), (640, 545012), (752, 463840), (832, 419240), (892, 391040), (940, 371072), (1040, 335392), (1115, 312832), (1222, 285440), (1280, 272506), (1504, 231920), (1664, 209620), (1784, 195520), (1880, 185536), (2080, 167696), (2230, 156416), (2444, 142720), (2560, 136253), (2899, 120320), (3008, 115960), (3055, 114176), (3328, 104810), (3568, 97760), (3760, 92768), (4160, 83848), (4460, 78208), (4888, 71360), (5798, 60160), (6016, 57980), (6110, 57088), (6656, 52405), (7136, 48880), (7520, 46384), (8320, 41924), (8920, 39104), (9776, 35680), (10481, 33280), (11596, 30080), (12032, 28990), (12220, 28544), (14272, 24440), (14495, 24064), (15040, 23192), (16640, 20962), (17840, 19552)]