81823770

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{14431}}^1$

素因数の和:14457

約数の個数: 80

約数和(自身を含む): 251463168

約数和(自身を除く): 169639398

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 14431, 28862, 43293, 72155, 86586, 101017, 129879, 144310, 202034, 216465, 259758, 303051, 389637, 432930, 505085, 606102, 649395, 779274, 909153, 1010170, 1168911, 1298790, 1515255, 1818306, 1948185, 2337822, 2727459, 3030510, 3896370, 4545765, 5454918, 5844555, 8182377, 9091530, 11689110, 13637295, 16364754, 27274590, 40911885, 81823770]

約数ペア:

[(1, 81823770), (2, 40911885), (3, 27274590), (5, 16364754), (6, 13637295), (7, 11689110), (9, 9091530), (10, 8182377), (14, 5844555), (15, 5454918), (18, 4545765), (21, 3896370), (27, 3030510), (30, 2727459), (35, 2337822), (42, 1948185), (45, 1818306), (54, 1515255), (63, 1298790), (70, 1168911), (81, 1010170), (90, 909153), (105, 779274), (126, 649395), (135, 606102), (162, 505085), (189, 432930), (210, 389637), (270, 303051), (315, 259758), (378, 216465), (405, 202034), (567, 144310), (630, 129879), (810, 101017), (945, 86586), (1134, 72155), (1890, 43293), (2835, 28862), (5670, 14431)]