156941747720

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1481}}^1\times {\mathrm{4133}}^1$

素因数の和:6266

約数の個数: 64

約数和(自身を含む): 353994254640

約数和(自身を除く): 197052506920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 1481, 2564, 2962, 3205, 4133, 5128, 5924, 6410, 7405, 8266, 11848, 12820, 14810, 16532, 20665, 25640, 29620, 33064, 41330, 59240, 82660, 165320, 949321, 1898642, 2649253, 3797284, 4746605, 5298506, 6120973, 7594568, 9493210, 10597012, 12241946, 13246265, 18986420, 21194024, 24483892, 26492530, 30604865, 37972840, 48967784, 52985060, 61209730, 105970120, 122419460, 244838920, 3923543693, 7847087386, 15694174772, 19617718465, 31388349544, 39235436930, 78470873860, 156941747720]

約数ペア:

[(1, 156941747720), (2, 78470873860), (4, 39235436930), (5, 31388349544), (8, 19617718465), (10, 15694174772), (20, 7847087386), (40, 3923543693), (641, 244838920), (1282, 122419460), (1481, 105970120), (2564, 61209730), (2962, 52985060), (3205, 48967784), (4133, 37972840), (5128, 30604865), (5924, 26492530), (6410, 24483892), (7405, 21194024), (8266, 18986420), (11848, 13246265), (12820, 12241946), (14810, 10597012), (16532, 9493210), (20665, 7594568), (25640, 6120973), (29620, 5298506), (33064, 4746605), (41330, 3797284), (59240, 2649253), (82660, 1898642), (165320, 949321)]