81363360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 288

約数和(自身を含む): 298831680

約数和(自身を除く): 217468320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 59, 60, 65, 68, 78, 80, 85, 96, 102, 104, 118, 120, 130, 136, 156, 160, 169, 170, 177, 195, 204, 208, 221, 236, 240, 255, 260, 272, 295, 312, 338, 340, 354, 390, 408, 416, 442, 472, 480, 507, 510, 520, 544, 590, 624, 663, 676, 680, 708, 767, 780, 816, 845, 884, 885, 944, 1003, 1014, 1020, 1040, 1105, 1180, 1248, 1326, 1352, 1360, 1416, 1534, 1560, 1632, 1690, 1768, 1770, 1888, 2006, 2028, 2040, 2080, 2210, 2301, 2360, 2535, 2652, 2704, 2720, 2832, 2873, 3009, 3068, 3120, 3315, 3380, 3536, 3540, 3835, 4012, 4056, 4080, 4420, 4602, 4720, 5015, 5070, 5304, 5408, 5664, 5746, 6018, 6136, 6240, 6630, 6760, 7072, 7080, 7670, 8024, 8112, 8160, 8619, 8840, 9204, 9440, 9971, 10030, 10140, 10608, 11492, 11505, 12036, 12272, 13039, 13260, 13520, 14160, 14365, 15045, 15340, 16048, 16224, 17238, 17680, 18408, 19942, 20060, 20280, 21216, 22984, 23010, 24072, 24544, 26078, 26520, 27040, 28320, 28730, 29913, 30090, 30680, 32096, 34476, 35360, 36816, 39117, 39884, 40120, 40560, 43095, 45968, 46020, 48144, 49855, 52156, 53040, 57460, 59826, 60180, 61360, 65195, 68952, 73632, 78234, 79768, 80240, 81120, 86190, 91936, 92040, 96288, 99710, 104312, 106080, 114920, 119652, 120360, 122720, 130390, 137904, 149565, 156468, 159536, 160480, 169507, 172380, 184080, 195585, 199420, 208624, 229840, 239304, 240720, 260780, 275808, 299130, 312936, 319072, 339014, 344760, 368160, 391170, 398840, 417248, 459680, 478608, 481440, 508521, 521560, 598260, 625872, 678028, 689520, 782340, 797680, 847535, 957216, 1017042, 1043120, 1196520, 1251744, 1356056, 1379040, 1564680, 1595360, 1695070, 2034084, 2086240, 2393040, 2542605, 2712112, 3129360, 3390140, 4068168, 4786080, 5085210, 5424224, 6258720, 6780280, 8136336, 10170420, 13560560, 16272672, 20340840, 27121120, 40681680, 81363360]

約数ペア:

[(1, 81363360), (2, 40681680), (3, 27121120), (4, 20340840), (5, 16272672), (6, 13560560), (8, 10170420), (10, 8136336), (12, 6780280), (13, 6258720), (15, 5424224), (16, 5085210), (17, 4786080), (20, 4068168), (24, 3390140), (26, 3129360), (30, 2712112), (32, 2542605), (34, 2393040), (39, 2086240), (40, 2034084), (48, 1695070), (51, 1595360), (52, 1564680), (59, 1379040), (60, 1356056), (65, 1251744), (68, 1196520), (78, 1043120), (80, 1017042), (85, 957216), (96, 847535), (102, 797680), (104, 782340), (118, 689520), (120, 678028), (130, 625872), (136, 598260), (156, 521560), (160, 508521), (169, 481440), (170, 478608), (177, 459680), (195, 417248), (204, 398840), (208, 391170), (221, 368160), (236, 344760), (240, 339014), (255, 319072), (260, 312936), (272, 299130), (295, 275808), (312, 260780), (338, 240720), (340, 239304), (354, 229840), (390, 208624), (408, 199420), (416, 195585), (442, 184080), (472, 172380), (480, 169507), (507, 160480), (510, 159536), (520, 156468), (544, 149565), (590, 137904), (624, 130390), (663, 122720), (676, 120360), (680, 119652), (708, 114920), (767, 106080), (780, 104312), (816, 99710), (845, 96288), (884, 92040), (885, 91936), (944, 86190), (1003, 81120), (1014, 80240), (1020, 79768), (1040, 78234), (1105, 73632), (1180, 68952), (1248, 65195), (1326, 61360), (1352, 60180), (1360, 59826), (1416, 57460), (1534, 53040), (1560, 52156), (1632, 49855), (1690, 48144), (1768, 46020), (1770, 45968), (1888, 43095), (2006, 40560), (2028, 40120), (2040, 39884), (2080, 39117), (2210, 36816), (2301, 35360), (2360, 34476), (2535, 32096), (2652, 30680), (2704, 30090), (2720, 29913), (2832, 28730), (2873, 28320), (3009, 27040), (3068, 26520), (3120, 26078), (3315, 24544), (3380, 24072), (3536, 23010), (3540, 22984), (3835, 21216), (4012, 20280), (4056, 20060), (4080, 19942), (4420, 18408), (4602, 17680), (4720, 17238), (5015, 16224), (5070, 16048), (5304, 15340), (5408, 15045), (5664, 14365), (5746, 14160), (6018, 13520), (6136, 13260), (6240, 13039), (6630, 12272), (6760, 12036), (7072, 11505), (7080, 11492), (7670, 10608), (8024, 10140), (8112, 10030), (8160, 9971), (8619, 9440), (8840, 9204)]