81456336

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 120

約数和(自身を含む): 250437096

約数和(自身を除く): 168980760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 53, 72, 78, 104, 106, 117, 144, 156, 159, 208, 212, 234, 312, 318, 424, 468, 477, 624, 636, 689, 821, 848, 936, 954, 1272, 1378, 1642, 1872, 1908, 2067, 2463, 2544, 2756, 3284, 3816, 4134, 4926, 5512, 6201, 6568, 7389, 7632, 8268, 9852, 10673, 11024, 12402, 13136, 14778, 16536, 19704, 21346, 24804, 29556, 32019, 33072, 39408, 42692, 43513, 49608, 59112, 64038, 85384, 87026, 96057, 99216, 118224, 128076, 130539, 170768, 174052, 192114, 256152, 261078, 348104, 384228, 391617, 512304, 522156, 565669, 696208, 768456, 783234, 1044312, 1131338, 1536912, 1566468, 1697007, 2088624, 2262676, 3132936, 3394014, 4525352, 5091021, 6265872, 6788028, 9050704, 10182042, 13576056, 20364084, 27152112, 40728168, 81456336]

約数ペア:

[(1, 81456336), (2, 40728168), (3, 27152112), (4, 20364084), (6, 13576056), (8, 10182042), (9, 9050704), (12, 6788028), (13, 6265872), (16, 5091021), (18, 4525352), (24, 3394014), (26, 3132936), (36, 2262676), (39, 2088624), (48, 1697007), (52, 1566468), (53, 1536912), (72, 1131338), (78, 1044312), (104, 783234), (106, 768456), (117, 696208), (144, 565669), (156, 522156), (159, 512304), (208, 391617), (212, 384228), (234, 348104), (312, 261078), (318, 256152), (424, 192114), (468, 174052), (477, 170768), (624, 130539), (636, 128076), (689, 118224), (821, 99216), (848, 96057), (936, 87026), (954, 85384), (1272, 64038), (1378, 59112), (1642, 49608), (1872, 43513), (1908, 42692), (2067, 39408), (2463, 33072), (2544, 32019), (2756, 29556), (3284, 24804), (3816, 21346), (4134, 19704), (4926, 16536), (5512, 14778), (6201, 13136), (6568, 12402), (7389, 11024), (7632, 10673), (8268, 9852)]