420426720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{13903}}^1$

素因数の和:13934

約数の個数: 192

約数和(自身を含む): 1681827840

約数和(自身を除く): 1261401120

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, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 13903, 15120, 27806, 30240, 41709, 55612, 69515, 83418, 97321, 111224, 125127, 139030, 166836, 194642, 208545, 222448, 250254, 278060, 291963, 333672, 375381, 389284, 417090, 444896, 486605, 500508, 556120, 583926, 625635, 667344, 750762, 778568, 834180, 875889, 973210, 1001016, 1112240, 1167852, 1251270, 1334688, 1459815, 1501524, 1557136, 1668360, 1751778, 1876905, 1946420, 2002032, 2224480, 2335704, 2502540, 2627667, 2919630, 3003048, 3114272, 3336720, 3503556, 3753810, 3892840, 4004064, 4379445, 4671408, 5005080, 5255334, 5839260, 6006096, 6673440, 7007112, 7507620, 7785680, 8758890, 9342816, 10010160, 10510668, 11678520, 12012192, 13138335, 14014224, 15015240, 15571360, 17517780, 20020320, 21021336, 23357040, 26276670, 28028448, 30030480, 35035560, 42042672, 46714080, 52553340, 60060960, 70071120, 84085344, 105106680, 140142240, 210213360, 420426720]

約数ペア:

[(1, 420426720), (2, 210213360), (3, 140142240), (4, 105106680), (5, 84085344), (6, 70071120), (7, 60060960), (8, 52553340), (9, 46714080), (10, 42042672), (12, 35035560), (14, 30030480), (15, 28028448), (16, 26276670), (18, 23357040), (20, 21021336), (21, 20020320), (24, 17517780), (27, 15571360), (28, 15015240), (30, 14014224), (32, 13138335), (35, 12012192), (36, 11678520), (40, 10510668), (42, 10010160), (45, 9342816), (48, 8758890), (54, 7785680), (56, 7507620), (60, 7007112), (63, 6673440), (70, 6006096), (72, 5839260), (80, 5255334), (84, 5005080), (90, 4671408), (96, 4379445), (105, 4004064), (108, 3892840), (112, 3753810), (120, 3503556), (126, 3336720), (135, 3114272), (140, 3003048), (144, 2919630), (160, 2627667), (168, 2502540), (180, 2335704), (189, 2224480), (210, 2002032), (216, 1946420), (224, 1876905), (240, 1751778), (252, 1668360), (270, 1557136), (280, 1501524), (288, 1459815), (315, 1334688), (336, 1251270), (360, 1167852), (378, 1112240), (420, 1001016), (432, 973210), (480, 875889), (504, 834180), (540, 778568), (560, 750762), (630, 667344), (672, 625635), (720, 583926), (756, 556120), (840, 500508), (864, 486605), (945, 444896), (1008, 417090), (1080, 389284), (1120, 375381), (1260, 333672), (1440, 291963), (1512, 278060), (1680, 250254), (1890, 222448), (2016, 208545), (2160, 194642), (2520, 166836), (3024, 139030), (3360, 125127), (3780, 111224), (4320, 97321), (5040, 83418), (6048, 69515), (7560, 55612), (10080, 41709), (13903, 30240), (15120, 27806)]