161122640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1931}}^1$

素因数の和:2100

約数の個数: 80

約数和(自身を含む): 431222400

約数和(自身を除く): 270099760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 1931, 2086, 2384, 2980, 3862, 4172, 5215, 5960, 7724, 8344, 9655, 10430, 11920, 13517, 15448, 16688, 19310, 20860, 27034, 30896, 38620, 41720, 54068, 67585, 77240, 83440, 108136, 135170, 154480, 216272, 270340, 287719, 540680, 575438, 1081360, 1150876, 1438595, 2014033, 2301752, 2877190, 4028066, 4603504, 5754380, 8056132, 10070165, 11508760, 16112264, 20140330, 23017520, 32224528, 40280660, 80561320, 161122640]

約数ペア:

[(1, 161122640), (2, 80561320), (4, 40280660), (5, 32224528), (7, 23017520), (8, 20140330), (10, 16112264), (14, 11508760), (16, 10070165), (20, 8056132), (28, 5754380), (35, 4603504), (40, 4028066), (56, 2877190), (70, 2301752), (80, 2014033), (112, 1438595), (140, 1150876), (149, 1081360), (280, 575438), (298, 540680), (560, 287719), (596, 270340), (745, 216272), (1043, 154480), (1192, 135170), (1490, 108136), (1931, 83440), (2086, 77240), (2384, 67585), (2980, 54068), (3862, 41720), (4172, 38620), (5215, 30896), (5960, 27034), (7724, 20860), (8344, 19310), (9655, 16688), (10430, 15448), (11920, 13517)]