17940247920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{7789}}^1$

素因数の和:8272

約数の個数: 240

約数和(自身を含む): 69015910080

約数和(自身を除く): 51075662160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 457, 504, 560, 630, 720, 840, 914, 1008, 1260, 1371, 1680, 1828, 2285, 2520, 2742, 3199, 3656, 4113, 4570, 5040, 5484, 6398, 6855, 7312, 7789, 8226, 9140, 9597, 10968, 12796, 13710, 15578, 15995, 16452, 18280, 19194, 20565, 21936, 23367, 25592, 27420, 28791, 31156, 31990, 32904, 36560, 38388, 38945, 41130, 46734, 47985, 51184, 54523, 54840, 57582, 62312, 63980, 65808, 70101, 76776, 77890, 82260, 93468, 95970, 109046, 109680, 115164, 116835, 124624, 127960, 140202, 143955, 153552, 155780, 163569, 164520, 186936, 191940, 218092, 230328, 233670, 255920, 272615, 280404, 287910, 311560, 327138, 329040, 350505, 373872, 383880, 436184, 460656, 467340, 490707, 545230, 560808, 575820, 623120, 654276, 701010, 767760, 817845, 872368, 934680, 981414, 1090460, 1121616, 1151640, 1308552, 1402020, 1635690, 1869360, 1962828, 2180920, 2303280, 2453535, 2617104, 2804040, 3271380, 3559573, 3925656, 4361840, 4907070, 5608080, 6542760, 7119146, 7851312, 9814140, 10678719, 13085520, 14238292, 17797865, 19628280, 21357438, 24917011, 28476584, 32036157, 35595730, 39256560, 42714876, 49834022, 53393595, 56953168, 64072314, 71191460, 74751033, 85429752, 99668044, 106787190, 124585055, 128144628, 142382920, 149502066, 160180785, 170859504, 199336088, 213574380, 224253099, 249170110, 256289256, 284765840, 299004132, 320361570, 373755165, 398672176, 427148760, 448506198, 498340220, 512578512, 598008264, 640723140, 747510330, 854297520, 897012396, 996680440, 1121265495, 1196016528, 1281446280, 1495020660, 1794024792, 1993360880, 2242530990, 2562892560, 2990041320, 3588049584, 4485061980, 5980082640, 8970123960, 17940247920]

約数ペア:

[(1, 17940247920), (2, 8970123960), (3, 5980082640), (4, 4485061980), (5, 3588049584), (6, 2990041320), (7, 2562892560), (8, 2242530990), (9, 1993360880), (10, 1794024792), (12, 1495020660), (14, 1281446280), (15, 1196016528), (16, 1121265495), (18, 996680440), (20, 897012396), (21, 854297520), (24, 747510330), (28, 640723140), (30, 598008264), (35, 512578512), (36, 498340220), (40, 448506198), (42, 427148760), (45, 398672176), (48, 373755165), (56, 320361570), (60, 299004132), (63, 284765840), (70, 256289256), (72, 249170110), (80, 224253099), (84, 213574380), (90, 199336088), (105, 170859504), (112, 160180785), (120, 149502066), (126, 142382920), (140, 128144628), (144, 124585055), (168, 106787190), (180, 99668044), (210, 85429752), (240, 74751033), (252, 71191460), (280, 64072314), (315, 56953168), (336, 53393595), (360, 49834022), (420, 42714876), (457, 39256560), (504, 35595730), (560, 32036157), (630, 28476584), (720, 24917011), (840, 21357438), (914, 19628280), (1008, 17797865), (1260, 14238292), (1371, 13085520), (1680, 10678719), (1828, 9814140), (2285, 7851312), (2520, 7119146), (2742, 6542760), (3199, 5608080), (3656, 4907070), (4113, 4361840), (4570, 3925656), (5040, 3559573), (5484, 3271380), (6398, 2804040), (6855, 2617104), (7312, 2453535), (7789, 2303280), (8226, 2180920), (9140, 1962828), (9597, 1869360), (10968, 1635690), (12796, 1402020), (13710, 1308552), (15578, 1151640), (15995, 1121616), (16452, 1090460), (18280, 981414), (19194, 934680), (20565, 872368), (21936, 817845), (23367, 767760), (25592, 701010), (27420, 654276), (28791, 623120), (31156, 575820), (31990, 560808), (32904, 545230), (36560, 490707), (38388, 467340), (38945, 460656), (41130, 436184), (46734, 383880), (47985, 373872), (51184, 350505), (54523, 329040), (54840, 327138), (57582, 311560), (62312, 287910), (63980, 280404), (65808, 272615), (70101, 255920), (76776, 233670), (77890, 230328), (82260, 218092), (93468, 191940), (95970, 186936), (109046, 164520), (109680, 163569), (115164, 155780), (116835, 153552), (124624, 143955), (127960, 140202)]