281942080

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{17981}}^1$

素因数の和:18012

約数の個数: 84

約数和(自身を含む): 781030188

約数和(自身を除く): 499088108

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 17981, 35962, 71924, 89905, 125867, 143848, 179810, 251734, 287696, 359620, 503468, 575392, 629335, 719240, 881069, 1006936, 1150784, 1258670, 1438480, 1762138, 2013872, 2517340, 2876960, 3524276, 4027744, 4405345, 5034680, 5753920, 7048552, 8055488, 8810690, 10069360, 14097104, 17621380, 20138720, 28194208, 35242760, 40277440, 56388416, 70485520, 140971040, 281942080]

約数ペア:

[(1, 281942080), (2, 140971040), (4, 70485520), (5, 56388416), (7, 40277440), (8, 35242760), (10, 28194208), (14, 20138720), (16, 17621380), (20, 14097104), (28, 10069360), (32, 8810690), (35, 8055488), (40, 7048552), (49, 5753920), (56, 5034680), (64, 4405345), (70, 4027744), (80, 3524276), (98, 2876960), (112, 2517340), (140, 2013872), (160, 1762138), (196, 1438480), (224, 1258670), (245, 1150784), (280, 1006936), (320, 881069), (392, 719240), (448, 629335), (490, 575392), (560, 503468), (784, 359620), (980, 287696), (1120, 251734), (1568, 179810), (1960, 143848), (2240, 125867), (3136, 89905), (3920, 71924), (7840, 35962), (15680, 17981)]