21086048000

素因数分解:

$2^8\times 5^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 288

約数和(自身を含む): 56120064000

約数和(自身を除く): 35034016000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 79, 80, 95, 100, 125, 128, 152, 158, 160, 190, 200, 250, 256, 304, 316, 320, 380, 395, 400, 439, 475, 500, 608, 632, 640, 760, 790, 800, 878, 950, 1000, 1216, 1264, 1280, 1501, 1520, 1580, 1600, 1756, 1900, 1975, 2000, 2195, 2375, 2432, 2528, 3002, 3040, 3160, 3200, 3512, 3800, 3950, 4000, 4390, 4750, 4864, 5056, 6004, 6080, 6320, 6400, 7024, 7505, 7600, 7900, 8000, 8341, 8780, 9500, 9875, 10112, 10975, 12008, 12160, 12640, 14048, 15010, 15200, 15800, 16000, 16682, 17560, 19000, 19750, 20224, 21950, 24016, 24320, 25280, 28096, 30020, 30400, 31600, 32000, 33364, 34681, 35120, 37525, 38000, 39500, 41705, 43900, 48032, 50560, 54875, 56192, 60040, 60800, 63200, 66728, 69362, 70240, 75050, 76000, 79000, 83410, 87800, 96064, 101120, 109750, 112384, 120080, 121600, 126400, 133456, 138724, 140480, 150100, 152000, 158000, 166820, 173405, 175600, 187625, 192128, 208525, 219500, 240160, 252800, 266912, 277448, 280960, 300200, 304000, 316000, 333640, 346810, 351200, 375250, 384256, 417050, 439000, 480320, 505600, 533824, 554896, 561920, 600400, 608000, 632000, 658939, 667280, 693620, 702400, 750500, 834100, 867025, 878000, 960640, 1042625, 1067648, 1109792, 1200800, 1264000, 1317878, 1334560, 1387240, 1404800, 1501000, 1668200, 1734050, 1756000, 1921280, 2085250, 2135296, 2219584, 2401600, 2528000, 2635756, 2669120, 2774480, 2809600, 3002000, 3294695, 3336400, 3468100, 3512000, 4170500, 4335125, 4439168, 4803200, 5271512, 5338240, 5548960, 6004000, 6589390, 6672800, 6936200, 7024000, 8341000, 8670250, 8878336, 9606400, 10543024, 10676480, 11097920, 12008000, 13178780, 13345600, 13872400, 14048000, 16473475, 16682000, 17340500, 21086048, 22195840, 24016000, 26357560, 26691200, 27744800, 32946950, 33364000, 34681000, 42172096, 44391680, 48032000, 52715120, 53382400, 55489600, 65893900, 66728000, 69362000, 82367375, 84344192, 105430240, 110979200, 131787800, 133456000, 138724000, 164734750, 168688384, 210860480, 221958400, 263575600, 266912000, 277448000, 329469500, 421720960, 527151200, 554896000, 658939000, 843441920, 1054302400, 1109792000, 1317878000, 2108604800, 2635756000, 4217209600, 5271512000, 10543024000, 21086048000]

約数ペア:

[(1, 21086048000), (2, 10543024000), (4, 5271512000), (5, 4217209600), (8, 2635756000), (10, 2108604800), (16, 1317878000), (19, 1109792000), (20, 1054302400), (25, 843441920), (32, 658939000), (38, 554896000), (40, 527151200), (50, 421720960), (64, 329469500), (76, 277448000), (79, 266912000), (80, 263575600), (95, 221958400), (100, 210860480), (125, 168688384), (128, 164734750), (152, 138724000), (158, 133456000), (160, 131787800), (190, 110979200), (200, 105430240), (250, 84344192), (256, 82367375), (304, 69362000), (316, 66728000), (320, 65893900), (380, 55489600), (395, 53382400), (400, 52715120), (439, 48032000), (475, 44391680), (500, 42172096), (608, 34681000), (632, 33364000), (640, 32946950), (760, 27744800), (790, 26691200), (800, 26357560), (878, 24016000), (950, 22195840), (1000, 21086048), (1216, 17340500), (1264, 16682000), (1280, 16473475), (1501, 14048000), (1520, 13872400), (1580, 13345600), (1600, 13178780), (1756, 12008000), (1900, 11097920), (1975, 10676480), (2000, 10543024), (2195, 9606400), (2375, 8878336), (2432, 8670250), (2528, 8341000), (3002, 7024000), (3040, 6936200), (3160, 6672800), (3200, 6589390), (3512, 6004000), (3800, 5548960), (3950, 5338240), (4000, 5271512), (4390, 4803200), (4750, 4439168), (4864, 4335125), (5056, 4170500), (6004, 3512000), (6080, 3468100), (6320, 3336400), (6400, 3294695), (7024, 3002000), (7505, 2809600), (7600, 2774480), (7900, 2669120), (8000, 2635756), (8341, 2528000), (8780, 2401600), (9500, 2219584), (9875, 2135296), (10112, 2085250), (10975, 1921280), (12008, 1756000), (12160, 1734050), (12640, 1668200), (14048, 1501000), (15010, 1404800), (15200, 1387240), (15800, 1334560), (16000, 1317878), (16682, 1264000), (17560, 1200800), (19000, 1109792), (19750, 1067648), (20224, 1042625), (21950, 960640), (24016, 878000), (24320, 867025), (25280, 834100), (28096, 750500), (30020, 702400), (30400, 693620), (31600, 667280), (32000, 658939), (33364, 632000), (34681, 608000), (35120, 600400), (37525, 561920), (38000, 554896), (39500, 533824), (41705, 505600), (43900, 480320), (48032, 439000), (50560, 417050), (54875, 384256), (56192, 375250), (60040, 351200), (60800, 346810), (63200, 333640), (66728, 316000), (69362, 304000), (70240, 300200), (75050, 280960), (76000, 277448), (79000, 266912), (83410, 252800), (87800, 240160), (96064, 219500), (101120, 208525), (109750, 192128), (112384, 187625), (120080, 175600), (121600, 173405), (126400, 166820), (133456, 158000), (138724, 152000), (140480, 150100)]