19902818880

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{329081}}^1$

素因数の和:329114

約数の個数: 224

約数和(自身を含む): 80243354880

約数和(自身を除く): 60340536000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 329081, 658162, 987243, 1316324, 1645405, 1974486, 2303567, 2632648, 2961729, 3290810, 3948972, 4607134, 4936215, 5265296, 5923458, 6581620, 6910701, 7897944, 8885187, 9214268, 9872430, 10530592, 11517835, 11846916, 13163240, 13821402, 14808645, 15795888, 17770374, 18428536, 19744860, 20732103, 21061184, 23035670, 23693832, 26326480, 27642804, 29617290, 31591776, 34553505, 35540748, 36857072, 39489720, 41464206, 44425935, 46071340, 47387664, 52652960, 55285608, 59234580, 62196309, 63183552, 69107010, 71081496, 73714144, 78979440, 82928412, 88851870, 92142680, 94775328, 103660515, 105305920, 110571216, 118469160, 124392618, 138214020, 142162992, 147428288, 157958880, 165856824, 177703740, 184285360, 189550656, 207321030, 221142432, 236938320, 248785236, 276428040, 284325984, 310981545, 315917760, 331713648, 355407480, 368570720, 414642060, 442284864, 473876640, 497570472, 552856080, 568651968, 621963090, 663427296, 710814960, 737141440, 829284120, 947753280, 995140944, 1105712160, 1243926180, 1326854592, 1421629920, 1658568240, 1990281888, 2211424320, 2487852360, 2843259840, 3317136480, 3980563776, 4975704720, 6634272960, 9951409440, 19902818880]

約数ペア:

[(1, 19902818880), (2, 9951409440), (3, 6634272960), (4, 4975704720), (5, 3980563776), (6, 3317136480), (7, 2843259840), (8, 2487852360), (9, 2211424320), (10, 1990281888), (12, 1658568240), (14, 1421629920), (15, 1326854592), (16, 1243926180), (18, 1105712160), (20, 995140944), (21, 947753280), (24, 829284120), (27, 737141440), (28, 710814960), (30, 663427296), (32, 621963090), (35, 568651968), (36, 552856080), (40, 497570472), (42, 473876640), (45, 442284864), (48, 414642060), (54, 368570720), (56, 355407480), (60, 331713648), (63, 315917760), (64, 310981545), (70, 284325984), (72, 276428040), (80, 248785236), (84, 236938320), (90, 221142432), (96, 207321030), (105, 189550656), (108, 184285360), (112, 177703740), (120, 165856824), (126, 157958880), (135, 147428288), (140, 142162992), (144, 138214020), (160, 124392618), (168, 118469160), (180, 110571216), (189, 105305920), (192, 103660515), (210, 94775328), (216, 92142680), (224, 88851870), (240, 82928412), (252, 78979440), (270, 73714144), (280, 71081496), (288, 69107010), (315, 63183552), (320, 62196309), (336, 59234580), (360, 55285608), (378, 52652960), (420, 47387664), (432, 46071340), (448, 44425935), (480, 41464206), (504, 39489720), (540, 36857072), (560, 35540748), (576, 34553505), (630, 31591776), (672, 29617290), (720, 27642804), (756, 26326480), (840, 23693832), (864, 23035670), (945, 21061184), (960, 20732103), (1008, 19744860), (1080, 18428536), (1120, 17770374), (1260, 15795888), (1344, 14808645), (1440, 13821402), (1512, 13163240), (1680, 11846916), (1728, 11517835), (1890, 10530592), (2016, 9872430), (2160, 9214268), (2240, 8885187), (2520, 7897944), (2880, 6910701), (3024, 6581620), (3360, 5923458), (3780, 5265296), (4032, 4936215), (4320, 4607134), (5040, 3948972), (6048, 3290810), (6720, 2961729), (7560, 2632648), (8640, 2303567), (10080, 1974486), (12096, 1645405), (15120, 1316324), (20160, 987243), (30240, 658162), (60480, 329081)]