19725680640

素因数分解:

$2^{17}\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 288

約数和(自身を含む): 64424263680

約数和(自身を除く): 44698583040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 127, 128, 158, 160, 192, 237, 240, 254, 256, 316, 320, 381, 384, 395, 474, 480, 508, 512, 632, 635, 640, 762, 768, 790, 948, 960, 1016, 1024, 1185, 1264, 1270, 1280, 1524, 1536, 1580, 1896, 1905, 1920, 2032, 2048, 2370, 2528, 2540, 2560, 3048, 3072, 3160, 3792, 3810, 3840, 4064, 4096, 4740, 5056, 5080, 5120, 6096, 6144, 6320, 7584, 7620, 7680, 8128, 8192, 9480, 10033, 10112, 10160, 10240, 12192, 12288, 12640, 15168, 15240, 15360, 16256, 16384, 18960, 20066, 20224, 20320, 20480, 24384, 24576, 25280, 30099, 30336, 30480, 30720, 32512, 32768, 37920, 40132, 40448, 40640, 40960, 48768, 49152, 50165, 50560, 60198, 60672, 60960, 61440, 65024, 65536, 75840, 80264, 80896, 81280, 81920, 97536, 98304, 100330, 101120, 120396, 121344, 121920, 122880, 130048, 131072, 150495, 151680, 160528, 161792, 162560, 163840, 195072, 196608, 200660, 202240, 240792, 242688, 243840, 245760, 260096, 300990, 303360, 321056, 323584, 325120, 327680, 390144, 393216, 401320, 404480, 481584, 485376, 487680, 491520, 520192, 601980, 606720, 642112, 647168, 650240, 655360, 780288, 802640, 808960, 963168, 970752, 975360, 983040, 1040384, 1203960, 1213440, 1284224, 1294336, 1300480, 1560576, 1605280, 1617920, 1926336, 1941504, 1950720, 1966080, 2080768, 2407920, 2426880, 2568448, 2588672, 2600960, 3121152, 3210560, 3235840, 3852672, 3883008, 3901440, 4161536, 4815840, 4853760, 5136896, 5177344, 5201920, 6242304, 6421120, 6471680, 7705344, 7766016, 7802880, 8323072, 9631680, 9707520, 10273792, 10354688, 10403840, 12484608, 12842240, 12943360, 15410688, 15532032, 15605760, 16646144, 19263360, 19415040, 20547584, 20807680, 24969216, 25684480, 25886720, 30821376, 31064064, 31211520, 38526720, 38830080, 41095168, 41615360, 49938432, 51368960, 51773440, 61642752, 62423040, 77053440, 77660160, 82190336, 83230720, 102737920, 123285504, 124846080, 154106880, 155320320, 164380672, 205475840, 246571008, 249692160, 308213760, 328761344, 410951680, 493142016, 616427520, 657522688, 821903360, 986284032, 1232855040, 1315045376, 1643806720, 1972568064, 2465710080, 3287613440, 3945136128, 4931420160, 6575226880, 9862840320, 19725680640]

約数ペア:

[(1, 19725680640), (2, 9862840320), (3, 6575226880), (4, 4931420160), (5, 3945136128), (6, 3287613440), (8, 2465710080), (10, 1972568064), (12, 1643806720), (15, 1315045376), (16, 1232855040), (20, 986284032), (24, 821903360), (30, 657522688), (32, 616427520), (40, 493142016), (48, 410951680), (60, 328761344), (64, 308213760), (79, 249692160), (80, 246571008), (96, 205475840), (120, 164380672), (127, 155320320), (128, 154106880), (158, 124846080), (160, 123285504), (192, 102737920), (237, 83230720), (240, 82190336), (254, 77660160), (256, 77053440), (316, 62423040), (320, 61642752), (381, 51773440), (384, 51368960), (395, 49938432), (474, 41615360), (480, 41095168), (508, 38830080), (512, 38526720), (632, 31211520), (635, 31064064), (640, 30821376), (762, 25886720), (768, 25684480), (790, 24969216), (948, 20807680), (960, 20547584), (1016, 19415040), (1024, 19263360), (1185, 16646144), (1264, 15605760), (1270, 15532032), (1280, 15410688), (1524, 12943360), (1536, 12842240), (1580, 12484608), (1896, 10403840), (1905, 10354688), (1920, 10273792), (2032, 9707520), (2048, 9631680), (2370, 8323072), (2528, 7802880), (2540, 7766016), (2560, 7705344), (3048, 6471680), (3072, 6421120), (3160, 6242304), (3792, 5201920), (3810, 5177344), (3840, 5136896), (4064, 4853760), (4096, 4815840), (4740, 4161536), (5056, 3901440), (5080, 3883008), (5120, 3852672), (6096, 3235840), (6144, 3210560), (6320, 3121152), (7584, 2600960), (7620, 2588672), (7680, 2568448), (8128, 2426880), (8192, 2407920), (9480, 2080768), (10033, 1966080), (10112, 1950720), (10160, 1941504), (10240, 1926336), (12192, 1617920), (12288, 1605280), (12640, 1560576), (15168, 1300480), (15240, 1294336), (15360, 1284224), (16256, 1213440), (16384, 1203960), (18960, 1040384), (20066, 983040), (20224, 975360), (20320, 970752), (20480, 963168), (24384, 808960), (24576, 802640), (25280, 780288), (30099, 655360), (30336, 650240), (30480, 647168), (30720, 642112), (32512, 606720), (32768, 601980), (37920, 520192), (40132, 491520), (40448, 487680), (40640, 485376), (40960, 481584), (48768, 404480), (49152, 401320), (50165, 393216), (50560, 390144), (60198, 327680), (60672, 325120), (60960, 323584), (61440, 321056), (65024, 303360), (65536, 300990), (75840, 260096), (80264, 245760), (80896, 243840), (81280, 242688), (81920, 240792), (97536, 202240), (98304, 200660), (100330, 196608), (101120, 195072), (120396, 163840), (121344, 162560), (121920, 161792), (122880, 160528), (130048, 151680), (131072, 150495)]