80250940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 222308352

約数和(自身を除く): 142057412

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 41, 44, 55, 62, 70, 77, 82, 110, 124, 140, 154, 155, 164, 205, 217, 220, 287, 308, 310, 341, 385, 410, 434, 451, 574, 620, 682, 770, 820, 868, 902, 1085, 1148, 1271, 1364, 1435, 1540, 1681, 1705, 1804, 2170, 2255, 2387, 2542, 2870, 3157, 3362, 3410, 4340, 4510, 4774, 5084, 5740, 6314, 6355, 6724, 6820, 8405, 8897, 9020, 9548, 11767, 11935, 12628, 12710, 13981, 15785, 16810, 17794, 18491, 23534, 23870, 25420, 27962, 31570, 33620, 35588, 36982, 44485, 47068, 47740, 52111, 55924, 58835, 63140, 69905, 73964, 88970, 92455, 97867, 104222, 117670, 129437, 139810, 177940, 184910, 195734, 208444, 235340, 258874, 260555, 279620, 364777, 369820, 391468, 489335, 517748, 521110, 573221, 647185, 729554, 978670, 1042220, 1146442, 1294370, 1459108, 1823885, 1957340, 2292884, 2588740, 2866105, 3647770, 4012547, 5732210, 7295540, 8025094, 11464420, 16050188, 20062735, 40125470, 80250940]

約数ペア:

[(1, 80250940), (2, 40125470), (4, 20062735), (5, 16050188), (7, 11464420), (10, 8025094), (11, 7295540), (14, 5732210), (20, 4012547), (22, 3647770), (28, 2866105), (31, 2588740), (35, 2292884), (41, 1957340), (44, 1823885), (55, 1459108), (62, 1294370), (70, 1146442), (77, 1042220), (82, 978670), (110, 729554), (124, 647185), (140, 573221), (154, 521110), (155, 517748), (164, 489335), (205, 391468), (217, 369820), (220, 364777), (287, 279620), (308, 260555), (310, 258874), (341, 235340), (385, 208444), (410, 195734), (434, 184910), (451, 177940), (574, 139810), (620, 129437), (682, 117670), (770, 104222), (820, 97867), (868, 92455), (902, 88970), (1085, 73964), (1148, 69905), (1271, 63140), (1364, 58835), (1435, 55924), (1540, 52111), (1681, 47740), (1705, 47068), (1804, 44485), (2170, 36982), (2255, 35588), (2387, 33620), (2542, 31570), (2870, 27962), (3157, 25420), (3362, 23870), (3410, 23534), (4340, 18491), (4510, 17794), (4774, 16810), (5084, 15785), (5740, 13981), (6314, 12710), (6355, 12628), (6724, 11935), (6820, 11767), (8405, 9548), (8897, 9020)]