81589970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 203046912

約数和(自身を除く): 121456942

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 23, 34, 35, 46, 55, 70, 77, 85, 110, 115, 119, 154, 161, 170, 187, 230, 238, 253, 271, 322, 374, 385, 391, 506, 542, 595, 770, 782, 805, 935, 1190, 1265, 1309, 1355, 1610, 1771, 1870, 1897, 1955, 2530, 2618, 2710, 2737, 2981, 3542, 3794, 3910, 4301, 4607, 5474, 5962, 6233, 6545, 8602, 8855, 9214, 9485, 12466, 13090, 13685, 14905, 17710, 18970, 20867, 21505, 23035, 27370, 29810, 30107, 31165, 32249, 41734, 43010, 43631, 46070, 50677, 60214, 62330, 64498, 68563, 87262, 101354, 104335, 105961, 137126, 150535, 161245, 208670, 211922, 218155, 253385, 301070, 322490, 342815, 354739, 436310, 479941, 506770, 529805, 685630, 709478, 741727, 959882, 1059610, 1165571, 1483454, 1773695, 2331142, 2399705, 3547390, 3708635, 4799410, 5827855, 7417270, 8158997, 11655710, 16317994, 40794985, 81589970]

約数ペア:

[(1, 81589970), (2, 40794985), (5, 16317994), (7, 11655710), (10, 8158997), (11, 7417270), (14, 5827855), (17, 4799410), (22, 3708635), (23, 3547390), (34, 2399705), (35, 2331142), (46, 1773695), (55, 1483454), (70, 1165571), (77, 1059610), (85, 959882), (110, 741727), (115, 709478), (119, 685630), (154, 529805), (161, 506770), (170, 479941), (187, 436310), (230, 354739), (238, 342815), (253, 322490), (271, 301070), (322, 253385), (374, 218155), (385, 211922), (391, 208670), (506, 161245), (542, 150535), (595, 137126), (770, 105961), (782, 104335), (805, 101354), (935, 87262), (1190, 68563), (1265, 64498), (1309, 62330), (1355, 60214), (1610, 50677), (1771, 46070), (1870, 43631), (1897, 43010), (1955, 41734), (2530, 32249), (2618, 31165), (2710, 30107), (2737, 29810), (2981, 27370), (3542, 23035), (3794, 21505), (3910, 20867), (4301, 18970), (4607, 17710), (5474, 14905), (5962, 13685), (6233, 13090), (6545, 12466), (8602, 9485), (8855, 9214)]