81057870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1770

約数の個数: 96

約数和(自身を含む): 230480640

約数和(自身を除く): 149422770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 153, 155, 170, 186, 255, 279, 306, 310, 465, 510, 527, 558, 765, 930, 1054, 1395, 1530, 1581, 1709, 2635, 2790, 3162, 3418, 4743, 5127, 5270, 7905, 8545, 9486, 10254, 15381, 15810, 17090, 23715, 25635, 29053, 30762, 47430, 51270, 52979, 58106, 76905, 87159, 105958, 145265, 153810, 158937, 174318, 261477, 264895, 290530, 317874, 435795, 476811, 522954, 529790, 794685, 871590, 900643, 953622, 1307385, 1589370, 1801286, 2384055, 2614770, 2701929, 4503215, 4768110, 5403858, 8105787, 9006430, 13509645, 16211574, 27019290, 40528935, 81057870]

約数ペア:

[(1, 81057870), (2, 40528935), (3, 27019290), (5, 16211574), (6, 13509645), (9, 9006430), (10, 8105787), (15, 5403858), (17, 4768110), (18, 4503215), (30, 2701929), (31, 2614770), (34, 2384055), (45, 1801286), (51, 1589370), (62, 1307385), (85, 953622), (90, 900643), (93, 871590), (102, 794685), (153, 529790), (155, 522954), (170, 476811), (186, 435795), (255, 317874), (279, 290530), (306, 264895), (310, 261477), (465, 174318), (510, 158937), (527, 153810), (558, 145265), (765, 105958), (930, 87159), (1054, 76905), (1395, 58106), (1530, 52979), (1581, 51270), (1709, 47430), (2635, 30762), (2790, 29053), (3162, 25635), (3418, 23715), (4743, 17090), (5127, 15810), (5270, 15381), (7905, 10254), (8545, 9486)]