1621489920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 288

約数和(自身を含む): 5589440640

約数和(自身を除く): 3967950720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 59, 60, 64, 68, 80, 85, 96, 102, 118, 120, 128, 136, 160, 170, 177, 192, 204, 236, 240, 255, 256, 272, 295, 320, 340, 354, 384, 408, 421, 472, 480, 510, 544, 590, 640, 680, 708, 768, 816, 842, 885, 944, 960, 1003, 1020, 1088, 1180, 1263, 1280, 1360, 1416, 1632, 1684, 1770, 1888, 1920, 2006, 2040, 2105, 2176, 2360, 2526, 2720, 2832, 3009, 3264, 3368, 3540, 3776, 3840, 4012, 4080, 4210, 4352, 4720, 5015, 5052, 5440, 5664, 6018, 6315, 6528, 6736, 7080, 7157, 7552, 8024, 8160, 8420, 9440, 10030, 10104, 10880, 11328, 12036, 12630, 13056, 13472, 14160, 14314, 15045, 15104, 16048, 16320, 16840, 18880, 20060, 20208, 21471, 21760, 22656, 24072, 24839, 25260, 26944, 28320, 28628, 30090, 32096, 32640, 33680, 35785, 37760, 40120, 40416, 42942, 45312, 48144, 49678, 50520, 53888, 56640, 57256, 60180, 64192, 65280, 67360, 71570, 74517, 75520, 80240, 80832, 85884, 96288, 99356, 101040, 107355, 107776, 113280, 114512, 120360, 124195, 128384, 134720, 143140, 149034, 160480, 161664, 171768, 192576, 198712, 202080, 214710, 226560, 229024, 240720, 248390, 256768, 269440, 286280, 298068, 320960, 323328, 343536, 372585, 385152, 397424, 404160, 422263, 429420, 458048, 481440, 496780, 538880, 572560, 596136, 641920, 687072, 745170, 770304, 794848, 808320, 844526, 858840, 916096, 962880, 993560, 1145120, 1192272, 1266789, 1283840, 1374144, 1490340, 1589696, 1616640, 1689052, 1717680, 1832192, 1925760, 1987120, 2111315, 2290240, 2384544, 2533578, 2748288, 2980680, 3179392, 3378104, 3435360, 3851520, 3974240, 4222630, 4580480, 4769088, 5067156, 5496576, 5961360, 6333945, 6358784, 6756208, 6870720, 7948480, 8445260, 9160960, 9538176, 10134312, 11922720, 12667890, 13512416, 13741440, 15896960, 16890520, 19076352, 20268624, 23845440, 25335780, 27024832, 27482880, 31793920, 33781040, 40537248, 47690880, 50671560, 54049664, 67562080, 81074496, 95381760, 101343120, 108099328, 135124160, 162148992, 202686240, 270248320, 324297984, 405372480, 540496640, 810744960, 1621489920]

約数ペア:

[(1, 1621489920), (2, 810744960), (3, 540496640), (4, 405372480), (5, 324297984), (6, 270248320), (8, 202686240), (10, 162148992), (12, 135124160), (15, 108099328), (16, 101343120), (17, 95381760), (20, 81074496), (24, 67562080), (30, 54049664), (32, 50671560), (34, 47690880), (40, 40537248), (48, 33781040), (51, 31793920), (59, 27482880), (60, 27024832), (64, 25335780), (68, 23845440), (80, 20268624), (85, 19076352), (96, 16890520), (102, 15896960), (118, 13741440), (120, 13512416), (128, 12667890), (136, 11922720), (160, 10134312), (170, 9538176), (177, 9160960), (192, 8445260), (204, 7948480), (236, 6870720), (240, 6756208), (255, 6358784), (256, 6333945), (272, 5961360), (295, 5496576), (320, 5067156), (340, 4769088), (354, 4580480), (384, 4222630), (408, 3974240), (421, 3851520), (472, 3435360), (480, 3378104), (510, 3179392), (544, 2980680), (590, 2748288), (640, 2533578), (680, 2384544), (708, 2290240), (768, 2111315), (816, 1987120), (842, 1925760), (885, 1832192), (944, 1717680), (960, 1689052), (1003, 1616640), (1020, 1589696), (1088, 1490340), (1180, 1374144), (1263, 1283840), (1280, 1266789), (1360, 1192272), (1416, 1145120), (1632, 993560), (1684, 962880), (1770, 916096), (1888, 858840), (1920, 844526), (2006, 808320), (2040, 794848), (2105, 770304), (2176, 745170), (2360, 687072), (2526, 641920), (2720, 596136), (2832, 572560), (3009, 538880), (3264, 496780), (3368, 481440), (3540, 458048), (3776, 429420), (3840, 422263), (4012, 404160), (4080, 397424), (4210, 385152), (4352, 372585), (4720, 343536), (5015, 323328), (5052, 320960), (5440, 298068), (5664, 286280), (6018, 269440), (6315, 256768), (6528, 248390), (6736, 240720), (7080, 229024), (7157, 226560), (7552, 214710), (8024, 202080), (8160, 198712), (8420, 192576), (9440, 171768), (10030, 161664), (10104, 160480), (10880, 149034), (11328, 143140), (12036, 134720), (12630, 128384), (13056, 124195), (13472, 120360), (14160, 114512), (14314, 113280), (15045, 107776), (15104, 107355), (16048, 101040), (16320, 99356), (16840, 96288), (18880, 85884), (20060, 80832), (20208, 80240), (21471, 75520), (21760, 74517), (22656, 71570), (24072, 67360), (24839, 65280), (25260, 64192), (26944, 60180), (28320, 57256), (28628, 56640), (30090, 53888), (32096, 50520), (32640, 49678), (33680, 48144), (35785, 45312), (37760, 42942), (40120, 40416)]