71769280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20389}}^1$

素因数の和:20417

約数の個数: 56

約数和(自身を含む): 186446160

約数和(自身を除く): 114676880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20389, 40778, 81556, 101945, 163112, 203890, 224279, 326224, 407780, 448558, 652448, 815560, 897116, 1121395, 1304896, 1631120, 1794232, 2242790, 3262240, 3588464, 4485580, 6524480, 7176928, 8971160, 14353856, 17942320, 35884640, 71769280]

約数ペア:

[(1, 71769280), (2, 35884640), (4, 17942320), (5, 14353856), (8, 8971160), (10, 7176928), (11, 6524480), (16, 4485580), (20, 3588464), (22, 3262240), (32, 2242790), (40, 1794232), (44, 1631120), (55, 1304896), (64, 1121395), (80, 897116), (88, 815560), (110, 652448), (160, 448558), (176, 407780), (220, 326224), (320, 224279), (352, 203890), (440, 163112), (704, 101945), (880, 81556), (1760, 40778), (3520, 20389)]