321420960

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{1181}}^1$

素因数の和:1218

約数の個数: 288

約数和(自身を含む): 1301069952

約数和(自身を除く): 979648992

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, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1181, 1215, 1260, 1296, 1440, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2268, 2362, 2430, 2520, 2592, 2835, 3024, 3240, 3360, 3402, 3543, 3780, 3888, 4320, 4536, 4724, 4860, 5040, 5670, 5905, 6048, 6480, 6804, 7086, 7560, 7776, 8267, 8505, 9072, 9448, 9720, 10080, 10629, 11340, 11810, 12960, 13608, 14172, 15120, 16534, 17010, 17715, 18144, 18896, 19440, 21258, 22680, 23620, 24801, 27216, 28344, 30240, 31887, 33068, 34020, 35430, 37792, 38880, 41335, 42516, 45360, 47240, 49602, 53145, 54432, 56688, 63774, 66136, 68040, 70860, 74403, 82670, 85032, 90720, 94480, 95661, 99204, 106290, 113376, 124005, 127548, 132272, 136080, 141720, 148806, 159435, 165340, 170064, 188960, 191322, 198408, 212580, 223209, 248010, 255096, 264544, 272160, 283440, 286983, 297612, 318870, 330680, 340128, 372015, 382644, 396816, 425160, 446418, 478305, 496020, 510192, 566880, 573966, 595224, 637740, 661360, 669627, 744030, 765288, 793632, 850320, 892836, 956610, 992040, 1020384, 1116045, 1147932, 1190448, 1275480, 1322720, 1339254, 1434915, 1488060, 1530576, 1700640, 1785672, 1913220, 1984080, 2008881, 2232090, 2295864, 2380896, 2550960, 2678508, 2869830, 2976120, 3061152, 3348135, 3571344, 3826440, 3968160, 4017762, 4464180, 4591728, 5101920, 5357016, 5739660, 5952240, 6696270, 7142688, 7652880, 8035524, 8928360, 9183456, 10044405, 10714032, 11479320, 11904480, 13392540, 15305760, 16071048, 17856720, 20088810, 21428064, 22958640, 26785080, 32142096, 35713440, 40177620, 45917280, 53570160, 64284192, 80355240, 107140320, 160710480, 321420960]

約数ペア:

[(1, 321420960), (2, 160710480), (3, 107140320), (4, 80355240), (5, 64284192), (6, 53570160), (7, 45917280), (8, 40177620), (9, 35713440), (10, 32142096), (12, 26785080), (14, 22958640), (15, 21428064), (16, 20088810), (18, 17856720), (20, 16071048), (21, 15305760), (24, 13392540), (27, 11904480), (28, 11479320), (30, 10714032), (32, 10044405), (35, 9183456), (36, 8928360), (40, 8035524), (42, 7652880), (45, 7142688), (48, 6696270), (54, 5952240), (56, 5739660), (60, 5357016), (63, 5101920), (70, 4591728), (72, 4464180), (80, 4017762), (81, 3968160), (84, 3826440), (90, 3571344), (96, 3348135), (105, 3061152), (108, 2976120), (112, 2869830), (120, 2678508), (126, 2550960), (135, 2380896), (140, 2295864), (144, 2232090), (160, 2008881), (162, 1984080), (168, 1913220), (180, 1785672), (189, 1700640), (210, 1530576), (216, 1488060), (224, 1434915), (240, 1339254), (243, 1322720), (252, 1275480), (270, 1190448), (280, 1147932), (288, 1116045), (315, 1020384), (324, 992040), (336, 956610), (360, 892836), (378, 850320), (405, 793632), (420, 765288), (432, 744030), (480, 669627), (486, 661360), (504, 637740), (540, 595224), (560, 573966), (567, 566880), (630, 510192), (648, 496020), (672, 478305), (720, 446418), (756, 425160), (810, 396816), (840, 382644), (864, 372015), (945, 340128), (972, 330680), (1008, 318870), (1080, 297612), (1120, 286983), (1134, 283440), (1181, 272160), (1215, 264544), (1260, 255096), (1296, 248010), (1440, 223209), (1512, 212580), (1620, 198408), (1680, 191322), (1701, 188960), (1890, 170064), (1944, 165340), (2016, 159435), (2160, 148806), (2268, 141720), (2362, 136080), (2430, 132272), (2520, 127548), (2592, 124005), (2835, 113376), (3024, 106290), (3240, 99204), (3360, 95661), (3402, 94480), (3543, 90720), (3780, 85032), (3888, 82670), (4320, 74403), (4536, 70860), (4724, 68040), (4860, 66136), (5040, 63774), (5670, 56688), (5905, 54432), (6048, 53145), (6480, 49602), (6804, 47240), (7086, 45360), (7560, 42516), (7776, 41335), (8267, 38880), (8505, 37792), (9072, 35430), (9448, 34020), (9720, 33068), (10080, 31887), (10629, 30240), (11340, 28344), (11810, 27216), (12960, 24801), (13608, 23620), (14172, 22680), (15120, 21258), (16534, 19440), (17010, 18896), (17715, 18144)]