20116776960

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{31183}}^1$

素因数の和:31223

約数の個数: 288

約数和(自身を含む): 79683851520

約数和(自身を除く): 59567074560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2048, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5120, 5376, 5760, 6144, 6720, 7168, 7680, 8064, 8960, 9216, 10080, 10240, 10752, 11520, 13440, 14336, 15360, 16128, 17920, 18432, 20160, 21504, 23040, 26880, 30720, 31183, 32256, 35840, 40320, 43008, 46080, 53760, 62366, 64512, 71680, 80640, 92160, 93549, 107520, 124732, 129024, 155915, 161280, 187098, 215040, 218281, 249464, 280647, 311830, 322560, 374196, 436562, 467745, 498928, 561294, 623660, 645120, 654843, 748392, 873124, 935490, 997856, 1091405, 1122588, 1247320, 1309686, 1403235, 1496784, 1746248, 1870980, 1964529, 1995712, 2182810, 2245176, 2494640, 2619372, 2806470, 2993568, 3274215, 3492496, 3741960, 3929058, 3991424, 4365620, 4490352, 4989280, 5238744, 5612940, 5987136, 6548430, 6984992, 7483920, 7858116, 7982848, 8731240, 8980704, 9822645, 9978560, 10477488, 11225880, 11974272, 13096860, 13969984, 14967840, 15716232, 15965696, 17462480, 17961408, 19645290, 19957120, 20954976, 22451760, 23948544, 26193720, 27939968, 29935680, 31432464, 31931392, 34924960, 35922816, 39290580, 39914240, 41909952, 44903520, 47897088, 52387440, 55879936, 59871360, 62864928, 63862784, 69849920, 71845632, 78581160, 79828480, 83819904, 89807040, 95794176, 104774880, 111759872, 119742720, 125729856, 139699840, 143691264, 157162320, 159656960, 167639808, 179614080, 191588352, 209549760, 223519744, 239485440, 251459712, 279399680, 287382528, 314324640, 319313920, 335279616, 359228160, 419099520, 447039488, 478970880, 502919424, 558799360, 574765056, 628649280, 670559232, 718456320, 838199040, 957941760, 1005838848, 1117598720, 1257298560, 1341118464, 1436912640, 1676398080, 2011677696, 2235197440, 2514597120, 2873825280, 3352796160, 4023355392, 5029194240, 6705592320, 10058388480, 20116776960]

約数ペア:

[(1, 20116776960), (2, 10058388480), (3, 6705592320), (4, 5029194240), (5, 4023355392), (6, 3352796160), (7, 2873825280), (8, 2514597120), (9, 2235197440), (10, 2011677696), (12, 1676398080), (14, 1436912640), (15, 1341118464), (16, 1257298560), (18, 1117598720), (20, 1005838848), (21, 957941760), (24, 838199040), (28, 718456320), (30, 670559232), (32, 628649280), (35, 574765056), (36, 558799360), (40, 502919424), (42, 478970880), (45, 447039488), (48, 419099520), (56, 359228160), (60, 335279616), (63, 319313920), (64, 314324640), (70, 287382528), (72, 279399680), (80, 251459712), (84, 239485440), (90, 223519744), (96, 209549760), (105, 191588352), (112, 179614080), (120, 167639808), (126, 159656960), (128, 157162320), (140, 143691264), (144, 139699840), (160, 125729856), (168, 119742720), (180, 111759872), (192, 104774880), (210, 95794176), (224, 89807040), (240, 83819904), (252, 79828480), (256, 78581160), (280, 71845632), (288, 69849920), (315, 63862784), (320, 62864928), (336, 59871360), (360, 55879936), (384, 52387440), (420, 47897088), (448, 44903520), (480, 41909952), (504, 39914240), (512, 39290580), (560, 35922816), (576, 34924960), (630, 31931392), (640, 31432464), (672, 29935680), (720, 27939968), (768, 26193720), (840, 23948544), (896, 22451760), (960, 20954976), (1008, 19957120), (1024, 19645290), (1120, 17961408), (1152, 17462480), (1260, 15965696), (1280, 15716232), (1344, 14967840), (1440, 13969984), (1536, 13096860), (1680, 11974272), (1792, 11225880), (1920, 10477488), (2016, 9978560), (2048, 9822645), (2240, 8980704), (2304, 8731240), (2520, 7982848), (2560, 7858116), (2688, 7483920), (2880, 6984992), (3072, 6548430), (3360, 5987136), (3584, 5612940), (3840, 5238744), (4032, 4989280), (4480, 4490352), (4608, 4365620), (5040, 3991424), (5120, 3929058), (5376, 3741960), (5760, 3492496), (6144, 3274215), (6720, 2993568), (7168, 2806470), (7680, 2619372), (8064, 2494640), (8960, 2245176), (9216, 2182810), (10080, 1995712), (10240, 1964529), (10752, 1870980), (11520, 1746248), (13440, 1496784), (14336, 1403235), (15360, 1309686), (16128, 1247320), (17920, 1122588), (18432, 1091405), (20160, 997856), (21504, 935490), (23040, 873124), (26880, 748392), (30720, 654843), (31183, 645120), (32256, 623660), (35840, 561294), (40320, 498928), (43008, 467745), (46080, 436562), (53760, 374196), (62366, 322560), (64512, 311830), (71680, 280647), (80640, 249464), (92160, 218281), (93549, 215040), (107520, 187098), (124732, 161280), (129024, 155915)]