281034880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{62731}}^1$

素因数の和:62757

約数の個数: 64

約数和(自身を含む): 767839680

約数和(自身を除く): 486804800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 62731, 125462, 250924, 313655, 439117, 501848, 627310, 878234, 1003696, 1254620, 1756468, 2007392, 2195585, 2509240, 3512936, 4014784, 4391170, 5018480, 7025872, 8029568, 8782340, 10036960, 14051744, 17564680, 20073920, 28103488, 35129360, 40147840, 56206976, 70258720, 140517440, 281034880]

約数ペア:

[(1, 281034880), (2, 140517440), (4, 70258720), (5, 56206976), (7, 40147840), (8, 35129360), (10, 28103488), (14, 20073920), (16, 17564680), (20, 14051744), (28, 10036960), (32, 8782340), (35, 8029568), (40, 7025872), (56, 5018480), (64, 4391170), (70, 4014784), (80, 3512936), (112, 2509240), (128, 2195585), (140, 2007392), (160, 1756468), (224, 1254620), (280, 1003696), (320, 878234), (448, 627310), (560, 501848), (640, 439117), (896, 313655), (1120, 250924), (2240, 125462), (4480, 62731)]