51027340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 140470848

約数和(自身を除く): 89443508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 53, 65, 70, 91, 92, 106, 115, 130, 140, 161, 182, 212, 230, 260, 265, 299, 322, 364, 371, 455, 460, 529, 530, 598, 644, 689, 742, 805, 910, 1058, 1060, 1196, 1219, 1378, 1484, 1495, 1610, 1820, 1855, 2093, 2116, 2438, 2645, 2756, 2990, 3220, 3445, 3703, 3710, 4186, 4823, 4876, 5290, 5980, 6095, 6877, 6890, 7406, 7420, 8372, 8533, 9646, 10465, 10580, 12190, 13754, 13780, 14812, 15847, 17066, 18515, 19292, 20930, 24115, 24380, 27508, 28037, 31694, 34132, 34385, 37030, 41860, 42665, 48139, 48230, 56074, 63388, 68770, 74060, 79235, 85330, 96278, 96460, 110929, 112148, 137540, 140185, 158470, 170660, 192556, 196259, 221858, 240695, 280370, 316940, 364481, 392518, 443716, 481390, 554645, 560740, 728962, 785036, 962780, 981295, 1109290, 1457924, 1822405, 1962590, 2218580, 2551367, 3644810, 3925180, 5102734, 7289620, 10205468, 12756835, 25513670, 51027340]

約数ペア:

[(1, 51027340), (2, 25513670), (4, 12756835), (5, 10205468), (7, 7289620), (10, 5102734), (13, 3925180), (14, 3644810), (20, 2551367), (23, 2218580), (26, 1962590), (28, 1822405), (35, 1457924), (46, 1109290), (52, 981295), (53, 962780), (65, 785036), (70, 728962), (91, 560740), (92, 554645), (106, 481390), (115, 443716), (130, 392518), (140, 364481), (161, 316940), (182, 280370), (212, 240695), (230, 221858), (260, 196259), (265, 192556), (299, 170660), (322, 158470), (364, 140185), (371, 137540), (455, 112148), (460, 110929), (529, 96460), (530, 96278), (598, 85330), (644, 79235), (689, 74060), (742, 68770), (805, 63388), (910, 56074), (1058, 48230), (1060, 48139), (1196, 42665), (1219, 41860), (1378, 37030), (1484, 34385), (1495, 34132), (1610, 31694), (1820, 28037), (1855, 27508), (2093, 24380), (2116, 24115), (2438, 20930), (2645, 19292), (2756, 18515), (2990, 17066), (3220, 15847), (3445, 14812), (3703, 13780), (3710, 13754), (4186, 12190), (4823, 10580), (4876, 10465), (5290, 9646), (5980, 8533), (6095, 8372), (6877, 7420), (6890, 7406)]