280880640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 240

約数和(自身を含む): 991999008

約数和(自身を除く): 711118368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 120, 128, 144, 146, 160, 167, 180, 192, 219, 240, 256, 288, 292, 320, 334, 360, 365, 384, 438, 480, 501, 512, 576, 584, 640, 657, 668, 720, 730, 768, 835, 876, 960, 1002, 1095, 1152, 1168, 1280, 1314, 1336, 1440, 1460, 1503, 1536, 1670, 1752, 1920, 2004, 2190, 2304, 2336, 2505, 2560, 2628, 2672, 2880, 2920, 3006, 3285, 3340, 3504, 3840, 4008, 4380, 4608, 4672, 5010, 5256, 5344, 5760, 5840, 6012, 6570, 6680, 7008, 7515, 7680, 8016, 8760, 9344, 10020, 10512, 10688, 11520, 11680, 12024, 12191, 13140, 13360, 14016, 15030, 16032, 17520, 18688, 20040, 21024, 21376, 23040, 23360, 24048, 24382, 26280, 26720, 28032, 30060, 32064, 35040, 36573, 37376, 40080, 42048, 42752, 46720, 48096, 48764, 52560, 53440, 56064, 60120, 60955, 64128, 70080, 73146, 80160, 84096, 85504, 93440, 96192, 97528, 105120, 106880, 109719, 112128, 120240, 121910, 128256, 140160, 146292, 160320, 168192, 182865, 186880, 192384, 195056, 210240, 213760, 219438, 240480, 243820, 256512, 280320, 292584, 320640, 336384, 365730, 384768, 390112, 420480, 427520, 438876, 480960, 487640, 548595, 560640, 585168, 641280, 731460, 769536, 780224, 840960, 877752, 961920, 975280, 1097190, 1170336, 1282560, 1462920, 1560448, 1681920, 1755504, 1923840, 1950560, 2194380, 2340672, 2925840, 3120896, 3511008, 3847680, 3901120, 4388760, 4681344, 5851680, 6241792, 7022016, 7802240, 8777520, 9362688, 11703360, 14044032, 15604480, 17555040, 18725376, 23406720, 28088064, 31208960, 35110080, 46813440, 56176128, 70220160, 93626880, 140440320, 280880640]

約数ペア:

[(1, 280880640), (2, 140440320), (3, 93626880), (4, 70220160), (5, 56176128), (6, 46813440), (8, 35110080), (9, 31208960), (10, 28088064), (12, 23406720), (15, 18725376), (16, 17555040), (18, 15604480), (20, 14044032), (24, 11703360), (30, 9362688), (32, 8777520), (36, 7802240), (40, 7022016), (45, 6241792), (48, 5851680), (60, 4681344), (64, 4388760), (72, 3901120), (73, 3847680), (80, 3511008), (90, 3120896), (96, 2925840), (120, 2340672), (128, 2194380), (144, 1950560), (146, 1923840), (160, 1755504), (167, 1681920), (180, 1560448), (192, 1462920), (219, 1282560), (240, 1170336), (256, 1097190), (288, 975280), (292, 961920), (320, 877752), (334, 840960), (360, 780224), (365, 769536), (384, 731460), (438, 641280), (480, 585168), (501, 560640), (512, 548595), (576, 487640), (584, 480960), (640, 438876), (657, 427520), (668, 420480), (720, 390112), (730, 384768), (768, 365730), (835, 336384), (876, 320640), (960, 292584), (1002, 280320), (1095, 256512), (1152, 243820), (1168, 240480), (1280, 219438), (1314, 213760), (1336, 210240), (1440, 195056), (1460, 192384), (1503, 186880), (1536, 182865), (1670, 168192), (1752, 160320), (1920, 146292), (2004, 140160), (2190, 128256), (2304, 121910), (2336, 120240), (2505, 112128), (2560, 109719), (2628, 106880), (2672, 105120), (2880, 97528), (2920, 96192), (3006, 93440), (3285, 85504), (3340, 84096), (3504, 80160), (3840, 73146), (4008, 70080), (4380, 64128), (4608, 60955), (4672, 60120), (5010, 56064), (5256, 53440), (5344, 52560), (5760, 48764), (5840, 48096), (6012, 46720), (6570, 42752), (6680, 42048), (7008, 40080), (7515, 37376), (7680, 36573), (8016, 35040), (8760, 32064), (9344, 30060), (10020, 28032), (10512, 26720), (10688, 26280), (11520, 24382), (11680, 24048), (12024, 23360), (12191, 23040), (13140, 21376), (13360, 21024), (14016, 20040), (15030, 18688), (16032, 17520)]