1268482720

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{28621}}^1$

素因数の和:28913

約数の個数: 48

約数和(自身を含む): 3007714248

約数和(自身を除く): 1739231528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 8864, 11080, 22160, 28621, 44320, 57242, 114484, 143105, 228968, 286210, 457936, 572420, 915872, 1144840, 2289680, 4579360, 7928017, 15856034, 31712068, 39640085, 63424136, 79280170, 126848272, 158560340, 253696544, 317120680, 634241360, 1268482720]

約数ペア:

[(1, 1268482720), (2, 634241360), (4, 317120680), (5, 253696544), (8, 158560340), (10, 126848272), (16, 79280170), (20, 63424136), (32, 39640085), (40, 31712068), (80, 15856034), (160, 7928017), (277, 4579360), (554, 2289680), (1108, 1144840), (1385, 915872), (2216, 572420), (2770, 457936), (4432, 286210), (5540, 228968), (8864, 143105), (11080, 114484), (22160, 57242), (28621, 44320)]