82743920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 221652480

約数和(自身を除く): 138908560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1063, 1112, 1390, 1946, 2126, 2224, 2780, 3892, 4252, 4865, 5315, 5560, 7441, 7784, 8504, 9730, 10630, 11120, 14882, 15568, 17008, 19460, 21260, 29764, 37205, 38920, 42520, 59528, 74410, 77840, 85040, 119056, 147757, 148820, 295514, 297640, 591028, 595280, 738785, 1034299, 1182056, 1477570, 2068598, 2364112, 2955140, 4137196, 5171495, 5910280, 8274392, 10342990, 11820560, 16548784, 20685980, 41371960, 82743920]

約数ペア:

[(1, 82743920), (2, 41371960), (4, 20685980), (5, 16548784), (7, 11820560), (8, 10342990), (10, 8274392), (14, 5910280), (16, 5171495), (20, 4137196), (28, 2955140), (35, 2364112), (40, 2068598), (56, 1477570), (70, 1182056), (80, 1034299), (112, 738785), (139, 595280), (140, 591028), (278, 297640), (280, 295514), (556, 148820), (560, 147757), (695, 119056), (973, 85040), (1063, 77840), (1112, 74410), (1390, 59528), (1946, 42520), (2126, 38920), (2224, 37205), (2780, 29764), (3892, 21260), (4252, 19460), (4865, 17008), (5315, 15568), (5560, 14882), (7441, 11120), (7784, 10630), (8504, 9730)]