320491728

素因数分解:

$2^4\times 3^8\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 180

約数和(自身を含む): 966464928

約数和(自身を除く): 645973200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 71, 72, 81, 86, 108, 129, 142, 144, 162, 172, 213, 216, 243, 258, 284, 324, 344, 387, 426, 432, 486, 516, 568, 639, 648, 688, 729, 774, 852, 972, 1032, 1136, 1161, 1278, 1296, 1458, 1548, 1704, 1917, 1944, 2064, 2187, 2322, 2556, 2916, 3053, 3096, 3408, 3483, 3834, 3888, 4374, 4644, 5112, 5751, 5832, 6106, 6192, 6561, 6966, 7668, 8748, 9159, 9288, 10224, 10449, 11502, 11664, 12212, 13122, 13932, 15336, 17253, 17496, 18318, 18576, 20898, 23004, 24424, 26244, 27477, 27864, 30672, 31347, 34506, 34992, 36636, 41796, 46008, 48848, 51759, 52488, 54954, 55728, 62694, 69012, 73272, 82431, 83592, 92016, 94041, 103518, 104976, 109908, 125388, 138024, 146544, 155277, 164862, 167184, 188082, 207036, 219816, 247293, 250776, 276048, 282123, 310554, 329724, 376164, 414072, 439632, 465831, 494586, 501552, 564246, 621108, 659448, 741879, 752328, 828144, 931662, 989172, 1128492, 1242216, 1318896, 1483758, 1504656, 1863324, 1978344, 2225637, 2256984, 2484432, 2967516, 3726648, 3956688, 4451274, 4513968, 5935032, 6676911, 7453296, 8902548, 11870064, 13353822, 17805096, 20030733, 26707644, 35610192, 40061466, 53415288, 80122932, 106830576, 160245864, 320491728]

約数ペア:

[(1, 320491728), (2, 160245864), (3, 106830576), (4, 80122932), (6, 53415288), (8, 40061466), (9, 35610192), (12, 26707644), (16, 20030733), (18, 17805096), (24, 13353822), (27, 11870064), (36, 8902548), (43, 7453296), (48, 6676911), (54, 5935032), (71, 4513968), (72, 4451274), (81, 3956688), (86, 3726648), (108, 2967516), (129, 2484432), (142, 2256984), (144, 2225637), (162, 1978344), (172, 1863324), (213, 1504656), (216, 1483758), (243, 1318896), (258, 1242216), (284, 1128492), (324, 989172), (344, 931662), (387, 828144), (426, 752328), (432, 741879), (486, 659448), (516, 621108), (568, 564246), (639, 501552), (648, 494586), (688, 465831), (729, 439632), (774, 414072), (852, 376164), (972, 329724), (1032, 310554), (1136, 282123), (1161, 276048), (1278, 250776), (1296, 247293), (1458, 219816), (1548, 207036), (1704, 188082), (1917, 167184), (1944, 164862), (2064, 155277), (2187, 146544), (2322, 138024), (2556, 125388), (2916, 109908), (3053, 104976), (3096, 103518), (3408, 94041), (3483, 92016), (3834, 83592), (3888, 82431), (4374, 73272), (4644, 69012), (5112, 62694), (5751, 55728), (5832, 54954), (6106, 52488), (6192, 51759), (6561, 48848), (6966, 46008), (7668, 41796), (8748, 36636), (9159, 34992), (9288, 34506), (10224, 31347), (10449, 30672), (11502, 27864), (11664, 27477), (12212, 26244), (13122, 24424), (13932, 23004), (15336, 20898), (17253, 18576), (17496, 18318)]