81943320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6761}}^1$

素因数の和:6876

約数の個数: 64

約数和(自身を含む): 248300640

約数和(自身を除く): 166357320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 6761, 12120, 13522, 20283, 27044, 33805, 40566, 54088, 67610, 81132, 101415, 135220, 162264, 202830, 270440, 405660, 682861, 811320, 1365722, 2048583, 2731444, 3414305, 4097166, 5462888, 6828610, 8194332, 10242915, 13657220, 16388664, 20485830, 27314440, 40971660, 81943320]

約数ペア:

[(1, 81943320), (2, 40971660), (3, 27314440), (4, 20485830), (5, 16388664), (6, 13657220), (8, 10242915), (10, 8194332), (12, 6828610), (15, 5462888), (20, 4097166), (24, 3414305), (30, 2731444), (40, 2048583), (60, 1365722), (101, 811320), (120, 682861), (202, 405660), (303, 270440), (404, 202830), (505, 162264), (606, 135220), (808, 101415), (1010, 81132), (1212, 67610), (1515, 54088), (2020, 40566), (2424, 33805), (3030, 27044), (4040, 20283), (6060, 13522), (6761, 12120)]