320507280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{16487}}^1$

素因数の和:16515

約数の個数: 120

約数和(自身を含む): 1116303552

約数和(自身を除く): 795796272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 16487, 19440, 32974, 49461, 65948, 82435, 98922, 131896, 148383, 164870, 197844, 247305, 263792, 296766, 329740, 395688, 445149, 494610, 593532, 659480, 741915, 791376, 890298, 989220, 1187064, 1318960, 1335447, 1483830, 1780596, 1978440, 2225745, 2374128, 2670894, 2967660, 3561192, 3956880, 4006341, 4451490, 5341788, 5935320, 6677235, 7122384, 8012682, 8902980, 10683576, 11870640, 13354470, 16025364, 17805960, 20031705, 21367152, 26708940, 32050728, 35611920, 40063410, 53417880, 64101456, 80126820, 106835760, 160253640, 320507280]

約数ペア:

[(1, 320507280), (2, 160253640), (3, 106835760), (4, 80126820), (5, 64101456), (6, 53417880), (8, 40063410), (9, 35611920), (10, 32050728), (12, 26708940), (15, 21367152), (16, 20031705), (18, 17805960), (20, 16025364), (24, 13354470), (27, 11870640), (30, 10683576), (36, 8902980), (40, 8012682), (45, 7122384), (48, 6677235), (54, 5935320), (60, 5341788), (72, 4451490), (80, 4006341), (81, 3956880), (90, 3561192), (108, 2967660), (120, 2670894), (135, 2374128), (144, 2225745), (162, 1978440), (180, 1780596), (216, 1483830), (240, 1335447), (243, 1318960), (270, 1187064), (324, 989220), (360, 890298), (405, 791376), (432, 741915), (486, 659480), (540, 593532), (648, 494610), (720, 445149), (810, 395688), (972, 329740), (1080, 296766), (1215, 263792), (1296, 247305), (1620, 197844), (1944, 164870), (2160, 148383), (2430, 131896), (3240, 98922), (3888, 82435), (4860, 65948), (6480, 49461), (9720, 32974), (16487, 19440)]