81035570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 118030030

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 29, 35, 38, 55, 58, 70, 77, 95, 110, 133, 145, 154, 190, 191, 203, 209, 266, 290, 319, 382, 385, 406, 418, 551, 638, 665, 770, 955, 1015, 1045, 1102, 1330, 1337, 1463, 1595, 1910, 2030, 2090, 2101, 2233, 2674, 2755, 2926, 3190, 3629, 3857, 4202, 4466, 5510, 5539, 6061, 6685, 7258, 7315, 7714, 10505, 11078, 11165, 12122, 13370, 14630, 14707, 18145, 19285, 21010, 22330, 25403, 27695, 29414, 30305, 36290, 38570, 38773, 39919, 42427, 50806, 55390, 60610, 60929, 73535, 77546, 79838, 84854, 105241, 121858, 127015, 147070, 193865, 199595, 210482, 212135, 254030, 279433, 304645, 387730, 399190, 424270, 426503, 526205, 558866, 609290, 736687, 853006, 1052410, 1157651, 1397165, 1473374, 2132515, 2315302, 2794330, 3683435, 4265030, 5788255, 7366870, 8103557, 11576510, 16207114, 40517785, 81035570]

約数ペア:

[(1, 81035570), (2, 40517785), (5, 16207114), (7, 11576510), (10, 8103557), (11, 7366870), (14, 5788255), (19, 4265030), (22, 3683435), (29, 2794330), (35, 2315302), (38, 2132515), (55, 1473374), (58, 1397165), (70, 1157651), (77, 1052410), (95, 853006), (110, 736687), (133, 609290), (145, 558866), (154, 526205), (190, 426503), (191, 424270), (203, 399190), (209, 387730), (266, 304645), (290, 279433), (319, 254030), (382, 212135), (385, 210482), (406, 199595), (418, 193865), (551, 147070), (638, 127015), (665, 121858), (770, 105241), (955, 84854), (1015, 79838), (1045, 77546), (1102, 73535), (1330, 60929), (1337, 60610), (1463, 55390), (1595, 50806), (1910, 42427), (2030, 39919), (2090, 38773), (2101, 38570), (2233, 36290), (2674, 30305), (2755, 29414), (2926, 27695), (3190, 25403), (3629, 22330), (3857, 21010), (4202, 19285), (4466, 18145), (5510, 14707), (5539, 14630), (6061, 13370), (6685, 12122), (7258, 11165), (7315, 11078), (7714, 10505)]