278747840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1163}}^1$

素因数の和:1294

約数の個数: 112

約数和(自身を含む): 766340352

約数和(自身を除く): 487592512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 140, 160, 214, 224, 280, 320, 428, 448, 535, 560, 749, 856, 1070, 1120, 1163, 1498, 1712, 2140, 2240, 2326, 2996, 3424, 3745, 4280, 4652, 5815, 5992, 6848, 7490, 8141, 8560, 9304, 11630, 11984, 14980, 16282, 17120, 18608, 23260, 23968, 29960, 32564, 34240, 37216, 40705, 46520, 47936, 59920, 65128, 74432, 81410, 93040, 119840, 124441, 130256, 162820, 186080, 239680, 248882, 260512, 325640, 372160, 497764, 521024, 622205, 651280, 871087, 995528, 1244410, 1302560, 1742174, 1991056, 2488820, 2605120, 3484348, 3982112, 4355435, 4977640, 6968696, 7964224, 8710870, 9955280, 13937392, 17421740, 19910560, 27874784, 34843480, 39821120, 55749568, 69686960, 139373920, 278747840]

約数ペア:

[(1, 278747840), (2, 139373920), (4, 69686960), (5, 55749568), (7, 39821120), (8, 34843480), (10, 27874784), (14, 19910560), (16, 17421740), (20, 13937392), (28, 9955280), (32, 8710870), (35, 7964224), (40, 6968696), (56, 4977640), (64, 4355435), (70, 3982112), (80, 3484348), (107, 2605120), (112, 2488820), (140, 1991056), (160, 1742174), (214, 1302560), (224, 1244410), (280, 995528), (320, 871087), (428, 651280), (448, 622205), (535, 521024), (560, 497764), (749, 372160), (856, 325640), (1070, 260512), (1120, 248882), (1163, 239680), (1498, 186080), (1712, 162820), (2140, 130256), (2240, 124441), (2326, 119840), (2996, 93040), (3424, 81410), (3745, 74432), (4280, 65128), (4652, 59920), (5815, 47936), (5992, 46520), (6848, 40705), (7490, 37216), (8141, 34240), (8560, 32564), (9304, 29960), (11630, 23968), (11984, 23260), (14980, 18608), (16282, 17120)]