139175680

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 144

約数和(自身を含む): 389995200

約数和(自身を除く): 250819520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 317, 320, 343, 392, 448, 490, 560, 634, 640, 686, 784, 896, 980, 1120, 1268, 1280, 1372, 1568, 1585, 1715, 1792, 1960, 2219, 2240, 2536, 2744, 3136, 3170, 3430, 3920, 4438, 4480, 5072, 5488, 6272, 6340, 6860, 7840, 8876, 8960, 10144, 10976, 11095, 12544, 12680, 13720, 15533, 15680, 17752, 20288, 21952, 22190, 25360, 27440, 31066, 31360, 35504, 40576, 43904, 44380, 50720, 54880, 62132, 62720, 71008, 77665, 81152, 87808, 88760, 101440, 108731, 109760, 124264, 142016, 155330, 177520, 202880, 217462, 219520, 248528, 284032, 310660, 355040, 405760, 434924, 439040, 497056, 543655, 568064, 621320, 710080, 869848, 994112, 1087310, 1242640, 1420160, 1739696, 1988224, 2174620, 2485280, 2840320, 3479392, 3976448, 4349240, 4970560, 6958784, 8698480, 9941120, 13917568, 17396960, 19882240, 27835136, 34793920, 69587840, 139175680]

約数ペア:

[(1, 139175680), (2, 69587840), (4, 34793920), (5, 27835136), (7, 19882240), (8, 17396960), (10, 13917568), (14, 9941120), (16, 8698480), (20, 6958784), (28, 4970560), (32, 4349240), (35, 3976448), (40, 3479392), (49, 2840320), (56, 2485280), (64, 2174620), (70, 1988224), (80, 1739696), (98, 1420160), (112, 1242640), (128, 1087310), (140, 994112), (160, 869848), (196, 710080), (224, 621320), (245, 568064), (256, 543655), (280, 497056), (317, 439040), (320, 434924), (343, 405760), (392, 355040), (448, 310660), (490, 284032), (560, 248528), (634, 219520), (640, 217462), (686, 202880), (784, 177520), (896, 155330), (980, 142016), (1120, 124264), (1268, 109760), (1280, 108731), (1372, 101440), (1568, 88760), (1585, 87808), (1715, 81152), (1792, 77665), (1960, 71008), (2219, 62720), (2240, 62132), (2536, 54880), (2744, 50720), (3136, 44380), (3170, 43904), (3430, 40576), (3920, 35504), (4438, 31360), (4480, 31066), (5072, 27440), (5488, 25360), (6272, 22190), (6340, 21952), (6860, 20288), (7840, 17752), (8876, 15680), (8960, 15533), (10144, 13720), (10976, 12680), (11095, 12544)]