123021140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 292481280

約数和(自身を除く): 169460140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 89, 103, 110, 122, 178, 206, 220, 244, 305, 356, 412, 445, 515, 610, 671, 890, 979, 1030, 1133, 1220, 1342, 1780, 1958, 2060, 2266, 2684, 3355, 3916, 4532, 4895, 5429, 5665, 6283, 6710, 9167, 9790, 10858, 11330, 12566, 13420, 18334, 19580, 21716, 22660, 25132, 27145, 31415, 36668, 45835, 54290, 59719, 62830, 69113, 91670, 100837, 108580, 119438, 125660, 138226, 183340, 201674, 238876, 276452, 298595, 345565, 403348, 504185, 559187, 597190, 691130, 1008370, 1118374, 1194380, 1382260, 2016740, 2236748, 2795935, 5591870, 6151057, 11183740, 12302114, 24604228, 30755285, 61510570, 123021140]

約数ペア:

[(1, 123021140), (2, 61510570), (4, 30755285), (5, 24604228), (10, 12302114), (11, 11183740), (20, 6151057), (22, 5591870), (44, 2795935), (55, 2236748), (61, 2016740), (89, 1382260), (103, 1194380), (110, 1118374), (122, 1008370), (178, 691130), (206, 597190), (220, 559187), (244, 504185), (305, 403348), (356, 345565), (412, 298595), (445, 276452), (515, 238876), (610, 201674), (671, 183340), (890, 138226), (979, 125660), (1030, 119438), (1133, 108580), (1220, 100837), (1342, 91670), (1780, 69113), (1958, 62830), (2060, 59719), (2266, 54290), (2684, 45835), (3355, 36668), (3916, 31415), (4532, 27145), (4895, 25132), (5429, 22660), (5665, 21716), (6283, 19580), (6710, 18334), (9167, 13420), (9790, 12566), (10858, 11330)]