21039756480

素因数分解:

$2^6\times 3^6\times 5^1\times {\mathrm{90191}}^1$

素因数の和:90226

約数の個数: 196

約数和(自身を含む): 75117850272

約数和(自身を除く): 54078093792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 729, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1458, 1620, 1728, 1944, 2160, 2430, 2592, 2880, 2916, 3240, 3645, 3888, 4320, 4860, 5184, 5832, 6480, 7290, 7776, 8640, 9720, 11664, 12960, 14580, 15552, 19440, 23328, 25920, 29160, 38880, 46656, 58320, 77760, 90191, 116640, 180382, 233280, 270573, 360764, 450955, 541146, 721528, 811719, 901910, 1082292, 1352865, 1443056, 1623438, 1803820, 2164584, 2435157, 2705730, 2886112, 3246876, 3607640, 4058595, 4329168, 4870314, 5411460, 5772224, 6493752, 7215280, 7305471, 8117190, 8658336, 9740628, 10822920, 12175785, 12987504, 14430560, 14610942, 16234380, 17316672, 19481256, 21645840, 21916413, 24351570, 25975008, 28861120, 29221884, 32468760, 36527355, 38962512, 43291680, 43832826, 48703140, 51950016, 58443768, 64937520, 65749239, 73054710, 77925024, 86583360, 87665652, 97406280, 109582065, 116887536, 129875040, 131498478, 146109420, 155850048, 175331304, 194812560, 219164130, 233775072, 259750080, 262996956, 292218840, 328746195, 350662608, 389625120, 438328260, 467550144, 525993912, 584437680, 657492390, 701325216, 779250240, 876656520, 1051987824, 1168875360, 1314984780, 1402650432, 1753313040, 2103975648, 2337750720, 2629969560, 3506626080, 4207951296, 5259939120, 7013252160, 10519878240, 21039756480]

約数ペア:

[(1, 21039756480), (2, 10519878240), (3, 7013252160), (4, 5259939120), (5, 4207951296), (6, 3506626080), (8, 2629969560), (9, 2337750720), (10, 2103975648), (12, 1753313040), (15, 1402650432), (16, 1314984780), (18, 1168875360), (20, 1051987824), (24, 876656520), (27, 779250240), (30, 701325216), (32, 657492390), (36, 584437680), (40, 525993912), (45, 467550144), (48, 438328260), (54, 389625120), (60, 350662608), (64, 328746195), (72, 292218840), (80, 262996956), (81, 259750080), (90, 233775072), (96, 219164130), (108, 194812560), (120, 175331304), (135, 155850048), (144, 146109420), (160, 131498478), (162, 129875040), (180, 116887536), (192, 109582065), (216, 97406280), (240, 87665652), (243, 86583360), (270, 77925024), (288, 73054710), (320, 65749239), (324, 64937520), (360, 58443768), (405, 51950016), (432, 48703140), (480, 43832826), (486, 43291680), (540, 38962512), (576, 36527355), (648, 32468760), (720, 29221884), (729, 28861120), (810, 25975008), (864, 24351570), (960, 21916413), (972, 21645840), (1080, 19481256), (1215, 17316672), (1296, 16234380), (1440, 14610942), (1458, 14430560), (1620, 12987504), (1728, 12175785), (1944, 10822920), (2160, 9740628), (2430, 8658336), (2592, 8117190), (2880, 7305471), (2916, 7215280), (3240, 6493752), (3645, 5772224), (3888, 5411460), (4320, 4870314), (4860, 4329168), (5184, 4058595), (5832, 3607640), (6480, 3246876), (7290, 2886112), (7776, 2705730), (8640, 2435157), (9720, 2164584), (11664, 1803820), (12960, 1623438), (14580, 1443056), (15552, 1352865), (19440, 1082292), (23328, 901910), (25920, 811719), (29160, 721528), (38880, 541146), (46656, 450955), (58320, 360764), (77760, 270573), (90191, 233280), (116640, 180382)]