19905146880

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2710

約数の個数: 208

約数和(自身を含む): 64215343104

約数和(自身を除く): 44310196224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 762, 768, 960, 1016, 1024, 1270, 1280, 1524, 1536, 1905, 1920, 2032, 2048, 2540, 2551, 2560, 3048, 3072, 3810, 3840, 4064, 4096, 5080, 5102, 5120, 6096, 6144, 7620, 7653, 7680, 8128, 10160, 10204, 10240, 12192, 12288, 12755, 15240, 15306, 15360, 16256, 20320, 20408, 20480, 24384, 25510, 30480, 30612, 30720, 32512, 38265, 40640, 40816, 48768, 51020, 60960, 61224, 61440, 65024, 76530, 81280, 81632, 97536, 102040, 121920, 122448, 130048, 153060, 162560, 163264, 195072, 204080, 243840, 244896, 260096, 306120, 323977, 325120, 326528, 390144, 408160, 487680, 489792, 520192, 612240, 647954, 650240, 653056, 780288, 816320, 971931, 975360, 979584, 1224480, 1295908, 1300480, 1306112, 1560576, 1619885, 1632640, 1943862, 1950720, 1959168, 2448960, 2591816, 2600960, 2612224, 3239770, 3265280, 3887724, 3901440, 3918336, 4859655, 4897920, 5183632, 5224448, 6479540, 6530560, 7775448, 7802880, 7836672, 9719310, 9795840, 10367264, 10448896, 12959080, 13061120, 15550896, 15673344, 19438620, 19591680, 20734528, 25918160, 26122240, 31101792, 31346688, 38877240, 39183360, 41469056, 51836320, 52244480, 62203584, 77754480, 78366720, 82938112, 103672640, 124407168, 155508960, 156733440, 165876224, 207345280, 248814336, 311017920, 331752448, 414690560, 497628672, 622035840, 663504896, 829381120, 995257344, 1244071680, 1327009792, 1658762240, 1990514688, 2488143360, 3317524480, 3981029376, 4976286720, 6635048960, 9952573440, 19905146880]

約数ペア:

[(1, 19905146880), (2, 9952573440), (3, 6635048960), (4, 4976286720), (5, 3981029376), (6, 3317524480), (8, 2488143360), (10, 1990514688), (12, 1658762240), (15, 1327009792), (16, 1244071680), (20, 995257344), (24, 829381120), (30, 663504896), (32, 622035840), (40, 497628672), (48, 414690560), (60, 331752448), (64, 311017920), (80, 248814336), (96, 207345280), (120, 165876224), (127, 156733440), (128, 155508960), (160, 124407168), (192, 103672640), (240, 82938112), (254, 78366720), (256, 77754480), (320, 62203584), (381, 52244480), (384, 51836320), (480, 41469056), (508, 39183360), (512, 38877240), (635, 31346688), (640, 31101792), (762, 26122240), (768, 25918160), (960, 20734528), (1016, 19591680), (1024, 19438620), (1270, 15673344), (1280, 15550896), (1524, 13061120), (1536, 12959080), (1905, 10448896), (1920, 10367264), (2032, 9795840), (2048, 9719310), (2540, 7836672), (2551, 7802880), (2560, 7775448), (3048, 6530560), (3072, 6479540), (3810, 5224448), (3840, 5183632), (4064, 4897920), (4096, 4859655), (5080, 3918336), (5102, 3901440), (5120, 3887724), (6096, 3265280), (6144, 3239770), (7620, 2612224), (7653, 2600960), (7680, 2591816), (8128, 2448960), (10160, 1959168), (10204, 1950720), (10240, 1943862), (12192, 1632640), (12288, 1619885), (12755, 1560576), (15240, 1306112), (15306, 1300480), (15360, 1295908), (16256, 1224480), (20320, 979584), (20408, 975360), (20480, 971931), (24384, 816320), (25510, 780288), (30480, 653056), (30612, 650240), (30720, 647954), (32512, 612240), (38265, 520192), (40640, 489792), (40816, 487680), (48768, 408160), (51020, 390144), (60960, 326528), (61224, 325120), (61440, 323977), (65024, 306120), (76530, 260096), (81280, 244896), (81632, 243840), (97536, 204080), (102040, 195072), (121920, 163264), (122448, 162560), (130048, 153060)]