421505280

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{5227}}^1$

素因数の和:5261

約数の個数: 216

約数和(自身を含む): 1667020992

約数和(自身を除く): 1245515712

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5227, 5376, 5760, 6720, 8064, 8960, 10080, 10454, 11520, 13440, 15681, 16128, 20160, 20908, 26135, 26880, 31362, 36589, 40320, 41816, 47043, 52270, 62724, 73178, 78405, 80640, 83632, 94086, 104540, 109767, 125448, 146356, 156810, 167264, 182945, 188172, 209080, 219534, 235215, 250896, 292712, 313620, 329301, 334528, 365890, 376344, 418160, 439068, 470430, 501792, 548835, 585424, 627240, 658602, 669056, 731780, 752688, 836320, 878136, 940860, 1003584, 1097670, 1170848, 1254480, 1317204, 1338112, 1463560, 1505376, 1646505, 1672640, 1756272, 1881720, 2007168, 2195340, 2341696, 2508960, 2634408, 2927120, 3010752, 3293010, 3345280, 3512544, 3763440, 4014336, 4390680, 4683392, 5017920, 5268816, 5854240, 6021504, 6586020, 6690560, 7025088, 7526880, 8781360, 9366784, 10035840, 10537632, 11708480, 12043008, 13172040, 14050176, 15053760, 17562720, 20071680, 21075264, 23416960, 26344080, 28100352, 30107520, 35125440, 42150528, 46833920, 52688160, 60215040, 70250880, 84301056, 105376320, 140501760, 210752640, 421505280]

約数ペア:

[(1, 421505280), (2, 210752640), (3, 140501760), (4, 105376320), (5, 84301056), (6, 70250880), (7, 60215040), (8, 52688160), (9, 46833920), (10, 42150528), (12, 35125440), (14, 30107520), (15, 28100352), (16, 26344080), (18, 23416960), (20, 21075264), (21, 20071680), (24, 17562720), (28, 15053760), (30, 14050176), (32, 13172040), (35, 12043008), (36, 11708480), (40, 10537632), (42, 10035840), (45, 9366784), (48, 8781360), (56, 7526880), (60, 7025088), (63, 6690560), (64, 6586020), (70, 6021504), (72, 5854240), (80, 5268816), (84, 5017920), (90, 4683392), (96, 4390680), (105, 4014336), (112, 3763440), (120, 3512544), (126, 3345280), (128, 3293010), (140, 3010752), (144, 2927120), (160, 2634408), (168, 2508960), (180, 2341696), (192, 2195340), (210, 2007168), (224, 1881720), (240, 1756272), (252, 1672640), (256, 1646505), (280, 1505376), (288, 1463560), (315, 1338112), (320, 1317204), (336, 1254480), (360, 1170848), (384, 1097670), (420, 1003584), (448, 940860), (480, 878136), (504, 836320), (560, 752688), (576, 731780), (630, 669056), (640, 658602), (672, 627240), (720, 585424), (768, 548835), (840, 501792), (896, 470430), (960, 439068), (1008, 418160), (1120, 376344), (1152, 365890), (1260, 334528), (1280, 329301), (1344, 313620), (1440, 292712), (1680, 250896), (1792, 235215), (1920, 219534), (2016, 209080), (2240, 188172), (2304, 182945), (2520, 167264), (2688, 156810), (2880, 146356), (3360, 125448), (3840, 109767), (4032, 104540), (4480, 94086), (5040, 83632), (5227, 80640), (5376, 78405), (5760, 73178), (6720, 62724), (8064, 52270), (8960, 47043), (10080, 41816), (10454, 40320), (11520, 36589), (13440, 31362), (15681, 26880), (16128, 26135), (20160, 20908)]