680440320

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{4219}}^1$

素因数の和:4255

約数の個数: 240

約数和(自身を含む): 2693845440

約数和(自身を除く): 2013405120

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, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4219, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8438, 8960, 10080, 10752, 11520, 12657, 13440, 16128, 16876, 17920, 20160, 21095, 23040, 25314, 26880, 29533, 32256, 33752, 37971, 40320, 42190, 50628, 53760, 59066, 63285, 67504, 75942, 80640, 84380, 88599, 101256, 118132, 126570, 135008, 147665, 151884, 161280, 168760, 177198, 189855, 202512, 236264, 253140, 265797, 270016, 295330, 303768, 337520, 354396, 379710, 405024, 442995, 472528, 506280, 531594, 540032, 590660, 607536, 675040, 708792, 759420, 810048, 885990, 945056, 1012560, 1063188, 1080064, 1181320, 1215072, 1328985, 1350080, 1417584, 1518840, 1620096, 1771980, 1890112, 2025120, 2126376, 2160128, 2362640, 2430144, 2657970, 2700160, 2835168, 3037680, 3240192, 3543960, 3780224, 4050240, 4252752, 4725280, 4860288, 5315940, 5400320, 5670336, 6075360, 6480384, 7087920, 7560448, 8100480, 8505504, 9450560, 9720576, 10631880, 10800640, 11340672, 12150720, 14175840, 15120896, 16200960, 17011008, 18901120, 19441152, 21263760, 22681344, 24301440, 28351680, 32401920, 34022016, 37802240, 42527520, 45362688, 48602880, 56703360, 68044032, 75604480, 85055040, 97205760, 113406720, 136088064, 170110080, 226813440, 340220160, 680440320]

約数ペア:

[(1, 680440320), (2, 340220160), (3, 226813440), (4, 170110080), (5, 136088064), (6, 113406720), (7, 97205760), (8, 85055040), (9, 75604480), (10, 68044032), (12, 56703360), (14, 48602880), (15, 45362688), (16, 42527520), (18, 37802240), (20, 34022016), (21, 32401920), (24, 28351680), (28, 24301440), (30, 22681344), (32, 21263760), (35, 19441152), (36, 18901120), (40, 17011008), (42, 16200960), (45, 15120896), (48, 14175840), (56, 12150720), (60, 11340672), (63, 10800640), (64, 10631880), (70, 9720576), (72, 9450560), (80, 8505504), (84, 8100480), (90, 7560448), (96, 7087920), (105, 6480384), (112, 6075360), (120, 5670336), (126, 5400320), (128, 5315940), (140, 4860288), (144, 4725280), (160, 4252752), (168, 4050240), (180, 3780224), (192, 3543960), (210, 3240192), (224, 3037680), (240, 2835168), (252, 2700160), (256, 2657970), (280, 2430144), (288, 2362640), (315, 2160128), (320, 2126376), (336, 2025120), (360, 1890112), (384, 1771980), (420, 1620096), (448, 1518840), (480, 1417584), (504, 1350080), (512, 1328985), (560, 1215072), (576, 1181320), (630, 1080064), (640, 1063188), (672, 1012560), (720, 945056), (768, 885990), (840, 810048), (896, 759420), (960, 708792), (1008, 675040), (1120, 607536), (1152, 590660), (1260, 540032), (1280, 531594), (1344, 506280), (1440, 472528), (1536, 442995), (1680, 405024), (1792, 379710), (1920, 354396), (2016, 337520), (2240, 303768), (2304, 295330), (2520, 270016), (2560, 265797), (2688, 253140), (2880, 236264), (3360, 202512), (3584, 189855), (3840, 177198), (4032, 168760), (4219, 161280), (4480, 151884), (4608, 147665), (5040, 135008), (5376, 126570), (5760, 118132), (6720, 101256), (7680, 88599), (8064, 84380), (8438, 80640), (8960, 75942), (10080, 67504), (10752, 63285), (11520, 59066), (12657, 53760), (13440, 50628), (16128, 42190), (16876, 40320), (17920, 37971), (20160, 33752), (21095, 32256), (23040, 29533), (25314, 26880)]