85620640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 240280992

約数和(自身を除く): 154660352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 160, 163, 196, 224, 245, 268, 280, 326, 335, 392, 469, 490, 536, 560, 652, 670, 784, 815, 938, 980, 1072, 1120, 1141, 1304, 1340, 1568, 1630, 1876, 1960, 2144, 2282, 2345, 2608, 2680, 3260, 3283, 3752, 3920, 4564, 4690, 5216, 5360, 5705, 6520, 6566, 7504, 7840, 7987, 9128, 9380, 10720, 10921, 11410, 13040, 13132, 15008, 15974, 16415, 18256, 18760, 21842, 22820, 26080, 26264, 31948, 32830, 36512, 37520, 39935, 43684, 45640, 52528, 54605, 63896, 65660, 75040, 76447, 79870, 87368, 91280, 105056, 109210, 127792, 131320, 152894, 159740, 174736, 182560, 218420, 255584, 262640, 305788, 319480, 349472, 382235, 436840, 525280, 535129, 611576, 638960, 764470, 873680, 1070258, 1223152, 1277920, 1528940, 1747360, 2140516, 2446304, 2675645, 3057880, 4281032, 5351290, 6115760, 8562064, 10702580, 12231520, 17124128, 21405160, 42810320, 85620640]

約数ペア:

[(1, 85620640), (2, 42810320), (4, 21405160), (5, 17124128), (7, 12231520), (8, 10702580), (10, 8562064), (14, 6115760), (16, 5351290), (20, 4281032), (28, 3057880), (32, 2675645), (35, 2446304), (40, 2140516), (49, 1747360), (56, 1528940), (67, 1277920), (70, 1223152), (80, 1070258), (98, 873680), (112, 764470), (134, 638960), (140, 611576), (160, 535129), (163, 525280), (196, 436840), (224, 382235), (245, 349472), (268, 319480), (280, 305788), (326, 262640), (335, 255584), (392, 218420), (469, 182560), (490, 174736), (536, 159740), (560, 152894), (652, 131320), (670, 127792), (784, 109210), (815, 105056), (938, 91280), (980, 87368), (1072, 79870), (1120, 76447), (1141, 75040), (1304, 65660), (1340, 63896), (1568, 54605), (1630, 52528), (1876, 45640), (1960, 43684), (2144, 39935), (2282, 37520), (2345, 36512), (2608, 32830), (2680, 31948), (3260, 26264), (3283, 26080), (3752, 22820), (3920, 21842), (4564, 18760), (4690, 18256), (5216, 16415), (5360, 15974), (5705, 15008), (6520, 13132), (6566, 13040), (7504, 11410), (7840, 10921), (7987, 10720), (9128, 9380)]