664755840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{16487}}^1$

素因数の和:16519

約数の個数: 192

約数和(自身を含む): 2623570560

約数和(自身を除く): 1958814720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 16487, 20160, 32974, 40320, 49461, 65948, 82435, 98922, 115409, 131896, 148383, 164870, 197844, 230818, 247305, 263792, 296766, 329740, 346227, 395688, 461636, 494610, 527584, 577045, 593532, 659480, 692454, 741915, 791376, 923272, 989220, 1038681, 1055168, 1154090, 1187064, 1318960, 1384908, 1483830, 1582752, 1731135, 1846544, 1978440, 2077362, 2110336, 2308180, 2374128, 2637920, 2769816, 2967660, 3165504, 3462270, 3693088, 3956880, 4154724, 4616360, 4748256, 5193405, 5275840, 5539632, 5935320, 6331008, 6924540, 7386176, 7913760, 8309448, 9232720, 9496512, 10386810, 10551680, 11079264, 11870640, 13849080, 14772352, 15827520, 16618896, 18465440, 18993024, 20773620, 22158528, 23741280, 27698160, 31655040, 33237792, 36930880, 41547240, 44317056, 47482560, 55396320, 66475584, 73861760, 83094480, 94965120, 110792640, 132951168, 166188960, 221585280, 332377920, 664755840]

約数ペア:

[(1, 664755840), (2, 332377920), (3, 221585280), (4, 166188960), (5, 132951168), (6, 110792640), (7, 94965120), (8, 83094480), (9, 73861760), (10, 66475584), (12, 55396320), (14, 47482560), (15, 44317056), (16, 41547240), (18, 36930880), (20, 33237792), (21, 31655040), (24, 27698160), (28, 23741280), (30, 22158528), (32, 20773620), (35, 18993024), (36, 18465440), (40, 16618896), (42, 15827520), (45, 14772352), (48, 13849080), (56, 11870640), (60, 11079264), (63, 10551680), (64, 10386810), (70, 9496512), (72, 9232720), (80, 8309448), (84, 7913760), (90, 7386176), (96, 6924540), (105, 6331008), (112, 5935320), (120, 5539632), (126, 5275840), (128, 5193405), (140, 4748256), (144, 4616360), (160, 4154724), (168, 3956880), (180, 3693088), (192, 3462270), (210, 3165504), (224, 2967660), (240, 2769816), (252, 2637920), (280, 2374128), (288, 2308180), (315, 2110336), (320, 2077362), (336, 1978440), (360, 1846544), (384, 1731135), (420, 1582752), (448, 1483830), (480, 1384908), (504, 1318960), (560, 1187064), (576, 1154090), (630, 1055168), (640, 1038681), (672, 989220), (720, 923272), (840, 791376), (896, 741915), (960, 692454), (1008, 659480), (1120, 593532), (1152, 577045), (1260, 527584), (1344, 494610), (1440, 461636), (1680, 395688), (1920, 346227), (2016, 329740), (2240, 296766), (2520, 263792), (2688, 247305), (2880, 230818), (3360, 197844), (4032, 164870), (4480, 148383), (5040, 131896), (5760, 115409), (6720, 98922), (8064, 82435), (10080, 65948), (13440, 49461), (16487, 40320), (20160, 32974)]