30778720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27481}}^1$

素因数の和:27503

約数の個数: 48

約数和(自身を含む): 83105568

約数和(自身を除く): 52326848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 27481, 54962, 109924, 137405, 192367, 219848, 274810, 384734, 439696, 549620, 769468, 879392, 961835, 1099240, 1538936, 1923670, 2198480, 3077872, 3847340, 4396960, 6155744, 7694680, 15389360, 30778720]

約数ペア:

[(1, 30778720), (2, 15389360), (4, 7694680), (5, 6155744), (7, 4396960), (8, 3847340), (10, 3077872), (14, 2198480), (16, 1923670), (20, 1538936), (28, 1099240), (32, 961835), (35, 879392), (40, 769468), (56, 549620), (70, 439696), (80, 384734), (112, 274810), (140, 219848), (160, 192367), (224, 137405), (280, 109924), (560, 54962), (1120, 27481)]