20989545120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{8539}}^1$

素因数の和:9132

約数の個数: 192

約数和(自身を含む): 73601136000

約数和(自身を除く): 52611590880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 569, 720, 864, 1080, 1138, 1440, 1707, 2160, 2276, 2845, 3414, 4320, 4552, 5121, 5690, 6828, 8535, 8539, 9104, 10242, 11380, 13656, 15363, 17070, 17078, 18208, 20484, 22760, 25605, 25617, 27312, 30726, 34140, 34156, 40968, 42695, 45520, 51210, 51234, 54624, 61452, 68280, 68312, 76815, 76851, 81936, 85390, 91040, 102420, 102468, 122904, 128085, 136560, 136624, 153630, 153702, 163872, 170780, 204840, 204936, 230553, 245808, 256170, 273120, 273248, 307260, 307404, 341560, 384255, 409680, 409872, 461106, 491616, 512340, 614520, 614808, 683120, 768510, 819360, 819744, 922212, 1024680, 1152765, 1229040, 1229616, 1366240, 1537020, 1844424, 2049360, 2305530, 2458080, 2459232, 3074040, 3688848, 4098720, 4611060, 4858691, 6148080, 7377696, 9222120, 9717382, 12296160, 14576073, 18444240, 19434764, 24293455, 29152146, 36888480, 38869528, 43728219, 48586910, 58304292, 72880365, 77739056, 87456438, 97173820, 116608584, 131184657, 145760730, 155478112, 174912876, 194347640, 218641095, 233217168, 262369314, 291521460, 349825752, 388695280, 437282190, 466434336, 524738628, 583042920, 655923285, 699651504, 777390560, 874564380, 1049477256, 1166085840, 1311846570, 1399303008, 1749128760, 2098954512, 2332171680, 2623693140, 3498257520, 4197909024, 5247386280, 6996515040, 10494772560, 20989545120]

約数ペア:

[(1, 20989545120), (2, 10494772560), (3, 6996515040), (4, 5247386280), (5, 4197909024), (6, 3498257520), (8, 2623693140), (9, 2332171680), (10, 2098954512), (12, 1749128760), (15, 1399303008), (16, 1311846570), (18, 1166085840), (20, 1049477256), (24, 874564380), (27, 777390560), (30, 699651504), (32, 655923285), (36, 583042920), (40, 524738628), (45, 466434336), (48, 437282190), (54, 388695280), (60, 349825752), (72, 291521460), (80, 262369314), (90, 233217168), (96, 218641095), (108, 194347640), (120, 174912876), (135, 155478112), (144, 145760730), (160, 131184657), (180, 116608584), (216, 97173820), (240, 87456438), (270, 77739056), (288, 72880365), (360, 58304292), (432, 48586910), (480, 43728219), (540, 38869528), (569, 36888480), (720, 29152146), (864, 24293455), (1080, 19434764), (1138, 18444240), (1440, 14576073), (1707, 12296160), (2160, 9717382), (2276, 9222120), (2845, 7377696), (3414, 6148080), (4320, 4858691), (4552, 4611060), (5121, 4098720), (5690, 3688848), (6828, 3074040), (8535, 2459232), (8539, 2458080), (9104, 2305530), (10242, 2049360), (11380, 1844424), (13656, 1537020), (15363, 1366240), (17070, 1229616), (17078, 1229040), (18208, 1152765), (20484, 1024680), (22760, 922212), (25605, 819744), (25617, 819360), (27312, 768510), (30726, 683120), (34140, 614808), (34156, 614520), (40968, 512340), (42695, 491616), (45520, 461106), (51210, 409872), (51234, 409680), (54624, 384255), (61452, 341560), (68280, 307404), (68312, 307260), (76815, 273248), (76851, 273120), (81936, 256170), (85390, 245808), (91040, 230553), (102420, 204936), (102468, 204840), (122904, 170780), (128085, 163872), (136560, 153702), (136624, 153630)]