156917840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 380332800

約数和(自身を除く): 223414960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 239, 283, 290, 464, 478, 566, 580, 956, 1132, 1160, 1195, 1415, 1912, 2264, 2320, 2390, 2830, 3824, 4528, 4780, 5660, 6931, 8207, 9560, 11320, 13862, 16414, 19120, 22640, 27724, 32828, 34655, 41035, 55448, 65656, 67637, 69310, 82070, 110896, 131312, 135274, 138620, 164140, 270548, 277240, 328280, 338185, 541096, 554480, 656560, 676370, 1082192, 1352740, 1961473, 2705480, 3922946, 5410960, 7845892, 9807365, 15691784, 19614730, 31383568, 39229460, 78458920, 156917840]

約数ペア:

[(1, 156917840), (2, 78458920), (4, 39229460), (5, 31383568), (8, 19614730), (10, 15691784), (16, 9807365), (20, 7845892), (29, 5410960), (40, 3922946), (58, 2705480), (80, 1961473), (116, 1352740), (145, 1082192), (232, 676370), (239, 656560), (283, 554480), (290, 541096), (464, 338185), (478, 328280), (566, 277240), (580, 270548), (956, 164140), (1132, 138620), (1160, 135274), (1195, 131312), (1415, 110896), (1912, 82070), (2264, 69310), (2320, 67637), (2390, 65656), (2830, 55448), (3824, 41035), (4528, 34655), (4780, 32828), (5660, 27724), (6931, 22640), (8207, 19120), (9560, 16414), (11320, 13862)]