19520204800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 312

約数和(自身を含む): 52003020800

約数和(自身を除く): 32482816000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 79, 80, 95, 100, 127, 128, 152, 158, 160, 190, 200, 254, 256, 304, 316, 320, 380, 395, 400, 475, 508, 512, 608, 632, 635, 640, 760, 790, 800, 950, 1016, 1024, 1216, 1264, 1270, 1280, 1501, 1520, 1580, 1600, 1900, 1975, 2032, 2048, 2413, 2432, 2528, 2540, 2560, 3002, 3040, 3160, 3175, 3200, 3800, 3950, 4064, 4096, 4826, 4864, 5056, 5080, 5120, 6004, 6080, 6320, 6350, 6400, 7505, 7600, 7900, 8128, 9652, 9728, 10033, 10112, 10160, 10240, 12008, 12065, 12160, 12640, 12700, 12800, 15010, 15200, 15800, 16256, 19304, 19456, 20066, 20224, 20320, 20480, 24016, 24130, 24320, 25280, 25400, 25600, 30020, 30400, 31600, 32512, 37525, 38608, 38912, 40132, 40448, 40640, 48032, 48260, 48640, 50165, 50560, 50800, 51200, 60040, 60325, 60800, 63200, 65024, 75050, 77216, 77824, 80264, 80896, 81280, 96064, 96520, 97280, 100330, 101120, 101600, 102400, 120080, 120650, 121600, 126400, 130048, 150100, 154432, 160528, 161792, 162560, 190627, 192128, 193040, 194560, 200660, 202240, 203200, 240160, 241300, 243200, 250825, 252800, 260096, 300200, 308864, 321056, 323584, 325120, 381254, 384256, 386080, 389120, 401320, 404480, 406400, 480320, 482600, 486400, 501650, 505600, 520192, 600400, 617728, 642112, 650240, 762508, 768512, 772160, 802640, 808960, 812800, 953135, 960640, 965200, 972800, 1003300, 1011200, 1200800, 1235456, 1284224, 1300480, 1525016, 1537024, 1544320, 1605280, 1617920, 1625600, 1906270, 1921280, 1930400, 1945600, 2006600, 2022400, 2401600, 2470912, 2568448, 2600960, 3050032, 3074048, 3088640, 3210560, 3251200, 3812540, 3842560, 3860800, 4013200, 4044800, 4765675, 4803200, 4941824, 5136896, 6100064, 6148096, 6177280, 6421120, 6502400, 7625080, 7685120, 7721600, 8026400, 8089600, 9531350, 9606400, 9883648, 10273792, 12200128, 12354560, 12842240, 13004800, 15250160, 15370240, 15443200, 16052800, 19062700, 19212800, 20547584, 24400256, 24709120, 25684480, 30500320, 30740480, 30886400, 32105600, 38125400, 38425600, 41095168, 48800512, 49418240, 51368960, 61000640, 61772800, 64211200, 76250800, 76851200, 97601024, 102737920, 122001280, 123545600, 128422400, 152501600, 153702400, 195202048, 205475840, 244002560, 247091200, 256844800, 305003200, 390404096, 488005120, 513689600, 610006400, 780808192, 976010240, 1027379200, 1220012800, 1952020480, 2440025600, 3904040960, 4880051200, 9760102400, 19520204800]

約数ペア:

[(1, 19520204800), (2, 9760102400), (4, 4880051200), (5, 3904040960), (8, 2440025600), (10, 1952020480), (16, 1220012800), (19, 1027379200), (20, 976010240), (25, 780808192), (32, 610006400), (38, 513689600), (40, 488005120), (50, 390404096), (64, 305003200), (76, 256844800), (79, 247091200), (80, 244002560), (95, 205475840), (100, 195202048), (127, 153702400), (128, 152501600), (152, 128422400), (158, 123545600), (160, 122001280), (190, 102737920), (200, 97601024), (254, 76851200), (256, 76250800), (304, 64211200), (316, 61772800), (320, 61000640), (380, 51368960), (395, 49418240), (400, 48800512), (475, 41095168), (508, 38425600), (512, 38125400), (608, 32105600), (632, 30886400), (635, 30740480), (640, 30500320), (760, 25684480), (790, 24709120), (800, 24400256), (950, 20547584), (1016, 19212800), (1024, 19062700), (1216, 16052800), (1264, 15443200), (1270, 15370240), (1280, 15250160), (1501, 13004800), (1520, 12842240), (1580, 12354560), (1600, 12200128), (1900, 10273792), (1975, 9883648), (2032, 9606400), (2048, 9531350), (2413, 8089600), (2432, 8026400), (2528, 7721600), (2540, 7685120), (2560, 7625080), (3002, 6502400), (3040, 6421120), (3160, 6177280), (3175, 6148096), (3200, 6100064), (3800, 5136896), (3950, 4941824), (4064, 4803200), (4096, 4765675), (4826, 4044800), (4864, 4013200), (5056, 3860800), (5080, 3842560), (5120, 3812540), (6004, 3251200), (6080, 3210560), (6320, 3088640), (6350, 3074048), (6400, 3050032), (7505, 2600960), (7600, 2568448), (7900, 2470912), (8128, 2401600), (9652, 2022400), (9728, 2006600), (10033, 1945600), (10112, 1930400), (10160, 1921280), (10240, 1906270), (12008, 1625600), (12065, 1617920), (12160, 1605280), (12640, 1544320), (12700, 1537024), (12800, 1525016), (15010, 1300480), (15200, 1284224), (15800, 1235456), (16256, 1200800), (19304, 1011200), (19456, 1003300), (20066, 972800), (20224, 965200), (20320, 960640), (20480, 953135), (24016, 812800), (24130, 808960), (24320, 802640), (25280, 772160), (25400, 768512), (25600, 762508), (30020, 650240), (30400, 642112), (31600, 617728), (32512, 600400), (37525, 520192), (38608, 505600), (38912, 501650), (40132, 486400), (40448, 482600), (40640, 480320), (48032, 406400), (48260, 404480), (48640, 401320), (50165, 389120), (50560, 386080), (50800, 384256), (51200, 381254), (60040, 325120), (60325, 323584), (60800, 321056), (63200, 308864), (65024, 300200), (75050, 260096), (77216, 252800), (77824, 250825), (80264, 243200), (80896, 241300), (81280, 240160), (96064, 203200), (96520, 202240), (97280, 200660), (100330, 194560), (101120, 193040), (101600, 192128), (102400, 190627), (120080, 162560), (120650, 161792), (121600, 160528), (126400, 154432), (130048, 150100)]