42810320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 118233504

約数和(自身を除く): 75423184

約数列:

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

約数ペア:

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