20139793920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51419}}^1$

素因数の和:51465

約数の個数: 240

約数和(自身を含む): 73854134640

約数和(自身を除く): 53714340720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1920, 2040, 2176, 2304, 2448, 2560, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4608, 4896, 5440, 5760, 6120, 6528, 7680, 8160, 8704, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 23040, 24480, 26112, 32640, 39168, 43520, 48960, 51419, 65280, 78336, 97920, 102838, 130560, 154257, 195840, 205676, 257095, 308514, 391680, 411352, 462771, 514190, 617028, 771285, 822704, 874123, 925542, 1028380, 1234056, 1542570, 1645408, 1748246, 1851084, 2056760, 2313855, 2468112, 2622369, 3085140, 3290816, 3496492, 3702168, 4113520, 4370615, 4627710, 4936224, 5244738, 6170280, 6581632, 6992984, 7404336, 7867107, 8227040, 8741230, 9255420, 9872448, 10489476, 12340560, 13111845, 13163264, 13985968, 14808672, 15734214, 16454080, 17482460, 18510840, 19744896, 20978952, 24681120, 26223690, 26326528, 27971936, 29617344, 31468428, 32908160, 34964920, 37021680, 39335535, 39489792, 41957904, 49362240, 52447380, 55943872, 59234688, 62936856, 65816320, 69929840, 74043360, 78671070, 78979584, 83915808, 98724480, 104894760, 111887744, 118469376, 125873712, 131632640, 139859680, 148086720, 157342140, 167831616, 197448960, 209789520, 223775488, 236938752, 251747424, 279719360, 296173440, 314684280, 335663232, 394897920, 419579040, 447550976, 503494848, 559438720, 592346880, 629368560, 671326464, 839158080, 1006989696, 1118877440, 1184693760, 1258737120, 1342652928, 1678316160, 2013979392, 2237754880, 2517474240, 3356632320, 4027958784, 5034948480, 6713264640, 10069896960, 20139793920]

約数ペア:

[(1, 20139793920), (2, 10069896960), (3, 6713264640), (4, 5034948480), (5, 4027958784), (6, 3356632320), (8, 2517474240), (9, 2237754880), (10, 2013979392), (12, 1678316160), (15, 1342652928), (16, 1258737120), (17, 1184693760), (18, 1118877440), (20, 1006989696), (24, 839158080), (30, 671326464), (32, 629368560), (34, 592346880), (36, 559438720), (40, 503494848), (45, 447550976), (48, 419579040), (51, 394897920), (60, 335663232), (64, 314684280), (68, 296173440), (72, 279719360), (80, 251747424), (85, 236938752), (90, 223775488), (96, 209789520), (102, 197448960), (120, 167831616), (128, 157342140), (136, 148086720), (144, 139859680), (153, 131632640), (160, 125873712), (170, 118469376), (180, 111887744), (192, 104894760), (204, 98724480), (240, 83915808), (255, 78979584), (256, 78671070), (272, 74043360), (288, 69929840), (306, 65816320), (320, 62936856), (340, 59234688), (360, 55943872), (384, 52447380), (408, 49362240), (480, 41957904), (510, 39489792), (512, 39335535), (544, 37021680), (576, 34964920), (612, 32908160), (640, 31468428), (680, 29617344), (720, 27971936), (765, 26326528), (768, 26223690), (816, 24681120), (960, 20978952), (1020, 19744896), (1088, 18510840), (1152, 17482460), (1224, 16454080), (1280, 15734214), (1360, 14808672), (1440, 13985968), (1530, 13163264), (1536, 13111845), (1632, 12340560), (1920, 10489476), (2040, 9872448), (2176, 9255420), (2304, 8741230), (2448, 8227040), (2560, 7867107), (2720, 7404336), (2880, 6992984), (3060, 6581632), (3264, 6170280), (3840, 5244738), (4080, 4936224), (4352, 4627710), (4608, 4370615), (4896, 4113520), (5440, 3702168), (5760, 3496492), (6120, 3290816), (6528, 3085140), (7680, 2622369), (8160, 2468112), (8704, 2313855), (9792, 2056760), (10880, 1851084), (11520, 1748246), (12240, 1645408), (13056, 1542570), (16320, 1234056), (19584, 1028380), (21760, 925542), (23040, 874123), (24480, 822704), (26112, 771285), (32640, 617028), (39168, 514190), (43520, 462771), (48960, 411352), (51419, 391680), (65280, 308514), (78336, 257095), (97920, 205676), (102838, 195840), (130560, 154257)]