20123159040

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{18583}}^1$

素因数の和:18659

約数の個数: 240

約数和(自身を含む): 71178801408

約数和(自身を除く): 51055642368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 128, 141, 144, 160, 180, 188, 192, 235, 240, 256, 282, 288, 320, 360, 376, 384, 423, 470, 480, 512, 564, 576, 640, 705, 720, 752, 768, 846, 940, 960, 1128, 1152, 1280, 1410, 1440, 1504, 1536, 1692, 1880, 1920, 2115, 2256, 2304, 2560, 2820, 2880, 3008, 3384, 3760, 3840, 4230, 4512, 4608, 5640, 5760, 6016, 6768, 7520, 7680, 8460, 9024, 11280, 11520, 12032, 13536, 15040, 16920, 18048, 18583, 22560, 23040, 24064, 27072, 30080, 33840, 36096, 37166, 45120, 54144, 55749, 60160, 67680, 72192, 74332, 90240, 92915, 108288, 111498, 120320, 135360, 148664, 167247, 180480, 185830, 216576, 222996, 270720, 278745, 297328, 334494, 360960, 371660, 445992, 541440, 557490, 594656, 668988, 743320, 836235, 873401, 891984, 1082880, 1114980, 1189312, 1337976, 1486640, 1672470, 1746802, 1783968, 2229960, 2378624, 2620203, 2675952, 2973280, 3344940, 3493604, 3567936, 4367005, 4459920, 4757248, 5240406, 5351904, 5946560, 6689880, 6987208, 7135872, 7860609, 8734010, 8919840, 9514496, 10480812, 10703808, 11893120, 13101015, 13379760, 13974416, 14271744, 15721218, 17468020, 17839680, 20961624, 21407616, 23786240, 26202030, 26759520, 27948832, 28543488, 31442436, 34936040, 35679360, 39303045, 41923248, 42815232, 47572480, 52404060, 53519040, 55897664, 62884872, 69872080, 71358720, 78606090, 83846496, 85630464, 104808120, 107038080, 111795328, 125769744, 139744160, 142717440, 157212180, 167692992, 209616240, 214076160, 223590656, 251539488, 279488320, 314424360, 335385984, 419232480, 428152320, 447181312, 503078976, 558976640, 628848720, 670771968, 838464960, 1006157952, 1117953280, 1257697440, 1341543936, 1676929920, 2012315904, 2235906560, 2515394880, 3353859840, 4024631808, 5030789760, 6707719680, 10061579520, 20123159040]

約数ペア:

[(1, 20123159040), (2, 10061579520), (3, 6707719680), (4, 5030789760), (5, 4024631808), (6, 3353859840), (8, 2515394880), (9, 2235906560), (10, 2012315904), (12, 1676929920), (15, 1341543936), (16, 1257697440), (18, 1117953280), (20, 1006157952), (24, 838464960), (30, 670771968), (32, 628848720), (36, 558976640), (40, 503078976), (45, 447181312), (47, 428152320), (48, 419232480), (60, 335385984), (64, 314424360), (72, 279488320), (80, 251539488), (90, 223590656), (94, 214076160), (96, 209616240), (120, 167692992), (128, 157212180), (141, 142717440), (144, 139744160), (160, 125769744), (180, 111795328), (188, 107038080), (192, 104808120), (235, 85630464), (240, 83846496), (256, 78606090), (282, 71358720), (288, 69872080), (320, 62884872), (360, 55897664), (376, 53519040), (384, 52404060), (423, 47572480), (470, 42815232), (480, 41923248), (512, 39303045), (564, 35679360), (576, 34936040), (640, 31442436), (705, 28543488), (720, 27948832), (752, 26759520), (768, 26202030), (846, 23786240), (940, 21407616), (960, 20961624), (1128, 17839680), (1152, 17468020), (1280, 15721218), (1410, 14271744), (1440, 13974416), (1504, 13379760), (1536, 13101015), (1692, 11893120), (1880, 10703808), (1920, 10480812), (2115, 9514496), (2256, 8919840), (2304, 8734010), (2560, 7860609), (2820, 7135872), (2880, 6987208), (3008, 6689880), (3384, 5946560), (3760, 5351904), (3840, 5240406), (4230, 4757248), (4512, 4459920), (4608, 4367005), (5640, 3567936), (5760, 3493604), (6016, 3344940), (6768, 2973280), (7520, 2675952), (7680, 2620203), (8460, 2378624), (9024, 2229960), (11280, 1783968), (11520, 1746802), (12032, 1672470), (13536, 1486640), (15040, 1337976), (16920, 1189312), (18048, 1114980), (18583, 1082880), (22560, 891984), (23040, 873401), (24064, 836235), (27072, 743320), (30080, 668988), (33840, 594656), (36096, 557490), (37166, 541440), (45120, 445992), (54144, 371660), (55749, 360960), (60160, 334494), (67680, 297328), (72192, 278745), (74332, 270720), (90240, 222996), (92915, 216576), (108288, 185830), (111498, 180480), (120320, 167247), (135360, 148664)]