28193760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2797}}^1$

素因数の和:2825

約数の個数: 144

約数和(自身を含む): 109994976

約数和(自身を除く): 81801216

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 2797, 3360, 5040, 5594, 8391, 10080, 11188, 13985, 16782, 19579, 22376, 25173, 27970, 33564, 39158, 41955, 44752, 50346, 55940, 58737, 67128, 78316, 83910, 89504, 97895, 100692, 111880, 117474, 125865, 134256, 156632, 167820, 176211, 195790, 201384, 223760, 234948, 251730, 268512, 293685, 313264, 335640, 352422, 391580, 402768, 447520, 469896, 503460, 587370, 626528, 671280, 704844, 783160, 805536, 881055, 939792, 1006920, 1174740, 1342560, 1409688, 1566320, 1762110, 1879584, 2013840, 2349480, 2819376, 3132640, 3524220, 4027680, 4698960, 5638752, 7048440, 9397920, 14096880, 28193760]

約数ペア:

[(1, 28193760), (2, 14096880), (3, 9397920), (4, 7048440), (5, 5638752), (6, 4698960), (7, 4027680), (8, 3524220), (9, 3132640), (10, 2819376), (12, 2349480), (14, 2013840), (15, 1879584), (16, 1762110), (18, 1566320), (20, 1409688), (21, 1342560), (24, 1174740), (28, 1006920), (30, 939792), (32, 881055), (35, 805536), (36, 783160), (40, 704844), (42, 671280), (45, 626528), (48, 587370), (56, 503460), (60, 469896), (63, 447520), (70, 402768), (72, 391580), (80, 352422), (84, 335640), (90, 313264), (96, 293685), (105, 268512), (112, 251730), (120, 234948), (126, 223760), (140, 201384), (144, 195790), (160, 176211), (168, 167820), (180, 156632), (210, 134256), (224, 125865), (240, 117474), (252, 111880), (280, 100692), (288, 97895), (315, 89504), (336, 83910), (360, 78316), (420, 67128), (480, 58737), (504, 55940), (560, 50346), (630, 44752), (672, 41955), (720, 39158), (840, 33564), (1008, 27970), (1120, 25173), (1260, 22376), (1440, 19579), (1680, 16782), (2016, 13985), (2520, 11188), (2797, 10080), (3360, 8391), (5040, 5594)]