19818474240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:715

約数の個数: 288

約数和(自身を含む): 64735082496

約数和(自身を除く): 44916608256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 157, 160, 192, 213, 240, 256, 284, 314, 320, 355, 384, 426, 463, 471, 480, 568, 628, 640, 710, 768, 785, 852, 926, 942, 960, 1065, 1136, 1256, 1280, 1389, 1420, 1570, 1704, 1852, 1884, 1920, 2130, 2272, 2315, 2355, 2512, 2778, 2840, 3140, 3408, 3704, 3768, 3840, 4260, 4544, 4630, 4710, 5024, 5556, 5680, 6280, 6816, 6945, 7408, 7536, 8520, 9088, 9260, 9420, 10048, 11112, 11147, 11360, 12560, 13632, 13890, 14816, 15072, 17040, 18176, 18520, 18840, 20096, 22224, 22294, 22720, 25120, 27264, 27780, 29632, 30144, 32873, 33441, 34080, 37040, 37680, 40192, 44448, 44588, 45440, 50240, 54528, 55560, 55735, 59264, 60288, 65746, 66882, 68160, 72691, 74080, 75360, 88896, 89176, 90880, 98619, 100480, 111120, 111470, 118528, 120576, 131492, 133764, 136320, 145382, 148160, 150720, 164365, 167205, 177792, 178352, 197238, 200960, 218073, 222240, 222940, 262984, 267528, 272640, 290764, 296320, 301440, 328730, 334410, 355584, 356704, 363455, 394476, 436146, 444480, 445880, 493095, 525968, 535056, 581528, 592640, 602880, 657460, 668820, 713408, 726910, 788952, 872292, 888960, 891760, 986190, 1051936, 1070112, 1090365, 1163056, 1314920, 1337640, 1426816, 1453820, 1577904, 1744584, 1777920, 1783520, 1972380, 2103872, 2140224, 2180730, 2326112, 2629840, 2675280, 2853632, 2907640, 3155808, 3489168, 3567040, 3944760, 4207744, 4280448, 4361460, 4652224, 5161061, 5259680, 5350560, 5815280, 6311616, 6978336, 7134080, 7889520, 8415488, 8560896, 8722920, 9304448, 10322122, 10519360, 10701120, 11630560, 12623232, 13956672, 14268160, 15483183, 15779040, 17445840, 18608896, 20644244, 21038720, 21402240, 23261120, 25246464, 25805305, 27913344, 30966366, 31558080, 34891680, 41288488, 42077440, 42804480, 46522240, 51610610, 55826688, 61932732, 63116160, 69783360, 77415915, 82576976, 93044480, 103221220, 123865464, 126232320, 139566720, 154831830, 165153952, 206442440, 247730928, 279133440, 309663660, 330307904, 412884880, 495461856, 619327320, 660615808, 825769760, 990923712, 1238654640, 1321231616, 1651539520, 1981847424, 2477309280, 3303079040, 3963694848, 4954618560, 6606158080, 9909237120, 19818474240]

約数ペア:

[(1, 19818474240), (2, 9909237120), (3, 6606158080), (4, 4954618560), (5, 3963694848), (6, 3303079040), (8, 2477309280), (10, 1981847424), (12, 1651539520), (15, 1321231616), (16, 1238654640), (20, 990923712), (24, 825769760), (30, 660615808), (32, 619327320), (40, 495461856), (48, 412884880), (60, 330307904), (64, 309663660), (71, 279133440), (80, 247730928), (96, 206442440), (120, 165153952), (128, 154831830), (142, 139566720), (157, 126232320), (160, 123865464), (192, 103221220), (213, 93044480), (240, 82576976), (256, 77415915), (284, 69783360), (314, 63116160), (320, 61932732), (355, 55826688), (384, 51610610), (426, 46522240), (463, 42804480), (471, 42077440), (480, 41288488), (568, 34891680), (628, 31558080), (640, 30966366), (710, 27913344), (768, 25805305), (785, 25246464), (852, 23261120), (926, 21402240), (942, 21038720), (960, 20644244), (1065, 18608896), (1136, 17445840), (1256, 15779040), (1280, 15483183), (1389, 14268160), (1420, 13956672), (1570, 12623232), (1704, 11630560), (1852, 10701120), (1884, 10519360), (1920, 10322122), (2130, 9304448), (2272, 8722920), (2315, 8560896), (2355, 8415488), (2512, 7889520), (2778, 7134080), (2840, 6978336), (3140, 6311616), (3408, 5815280), (3704, 5350560), (3768, 5259680), (3840, 5161061), (4260, 4652224), (4544, 4361460), (4630, 4280448), (4710, 4207744), (5024, 3944760), (5556, 3567040), (5680, 3489168), (6280, 3155808), (6816, 2907640), (6945, 2853632), (7408, 2675280), (7536, 2629840), (8520, 2326112), (9088, 2180730), (9260, 2140224), (9420, 2103872), (10048, 1972380), (11112, 1783520), (11147, 1777920), (11360, 1744584), (12560, 1577904), (13632, 1453820), (13890, 1426816), (14816, 1337640), (15072, 1314920), (17040, 1163056), (18176, 1090365), (18520, 1070112), (18840, 1051936), (20096, 986190), (22224, 891760), (22294, 888960), (22720, 872292), (25120, 788952), (27264, 726910), (27780, 713408), (29632, 668820), (30144, 657460), (32873, 602880), (33441, 592640), (34080, 581528), (37040, 535056), (37680, 525968), (40192, 493095), (44448, 445880), (44588, 444480), (45440, 436146), (50240, 394476), (54528, 363455), (55560, 356704), (55735, 355584), (59264, 334410), (60288, 328730), (65746, 301440), (66882, 296320), (68160, 290764), (72691, 272640), (74080, 267528), (75360, 262984), (88896, 222940), (89176, 222240), (90880, 218073), (98619, 200960), (100480, 197238), (111120, 178352), (111470, 177792), (118528, 167205), (120576, 164365), (131492, 150720), (133764, 148160), (136320, 145382)]