261961344

素因数分解:

$2^7\times 3^3\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:583

約数の個数: 128

約数和(自身を含む): 778872000

約数和(自身を除く): 516910656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 229, 288, 331, 384, 432, 458, 576, 662, 687, 864, 916, 993, 1152, 1324, 1374, 1728, 1832, 1986, 2061, 2648, 2748, 2979, 3456, 3664, 3972, 4122, 5296, 5496, 5958, 6183, 7328, 7944, 8244, 8937, 10592, 10992, 11916, 12366, 14656, 15888, 16488, 17874, 21184, 21984, 23832, 24732, 29312, 31776, 32976, 35748, 42368, 43968, 47664, 49464, 63552, 65952, 71496, 75799, 87936, 95328, 98928, 127104, 131904, 142992, 151598, 190656, 197856, 227397, 263808, 285984, 303196, 381312, 395712, 454794, 571968, 606392, 682191, 791424, 909588, 1143936, 1212784, 1364382, 1819176, 2046573, 2425568, 2728764, 3638352, 4093146, 4851136, 5457528, 7276704, 8186292, 9702272, 10915056, 14553408, 16372584, 21830112, 29106816, 32745168, 43660224, 65490336, 87320448, 130980672, 261961344]

約数ペア:

[(1, 261961344), (2, 130980672), (3, 87320448), (4, 65490336), (6, 43660224), (8, 32745168), (9, 29106816), (12, 21830112), (16, 16372584), (18, 14553408), (24, 10915056), (27, 9702272), (32, 8186292), (36, 7276704), (48, 5457528), (54, 4851136), (64, 4093146), (72, 3638352), (96, 2728764), (108, 2425568), (128, 2046573), (144, 1819176), (192, 1364382), (216, 1212784), (229, 1143936), (288, 909588), (331, 791424), (384, 682191), (432, 606392), (458, 571968), (576, 454794), (662, 395712), (687, 381312), (864, 303196), (916, 285984), (993, 263808), (1152, 227397), (1324, 197856), (1374, 190656), (1728, 151598), (1832, 142992), (1986, 131904), (2061, 127104), (2648, 98928), (2748, 95328), (2979, 87936), (3456, 75799), (3664, 71496), (3972, 65952), (4122, 63552), (5296, 49464), (5496, 47664), (5958, 43968), (6183, 42368), (7328, 35748), (7944, 32976), (8244, 31776), (8937, 29312), (10592, 24732), (10992, 23832), (11916, 21984), (12366, 21184), (14656, 17874), (15888, 16488)]