256819680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:323

約数の個数: 384

約数和(自身を含む): 1028764800

約数和(自身を除く): 771945120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 160, 170, 180, 195, 204, 208, 216, 221, 234, 240, 255, 260, 269, 270, 272, 288, 306, 312, 340, 351, 360, 390, 408, 416, 432, 442, 459, 468, 480, 510, 520, 538, 540, 544, 585, 612, 624, 663, 680, 702, 720, 765, 780, 807, 816, 864, 884, 918, 936, 1020, 1040, 1076, 1080, 1105, 1170, 1224, 1248, 1326, 1345, 1360, 1404, 1440, 1530, 1560, 1614, 1632, 1755, 1768, 1836, 1872, 1989, 2040, 2080, 2152, 2160, 2210, 2295, 2340, 2421, 2448, 2652, 2690, 2720, 2808, 3060, 3120, 3228, 3315, 3497, 3510, 3536, 3672, 3744, 3978, 4035, 4080, 4304, 4320, 4420, 4573, 4590, 4680, 4842, 4896, 5304, 5380, 5616, 5967, 6120, 6240, 6456, 6630, 6994, 7020, 7072, 7263, 7344, 7956, 8070, 8160, 8608, 8840, 9146, 9180, 9360, 9684, 9945, 10491, 10608, 10760, 11232, 11934, 12105, 12240, 12912, 13260, 13719, 13988, 14040, 14526, 14688, 15912, 16140, 17485, 17680, 18292, 18360, 18720, 19368, 19890, 20982, 21216, 21520, 22865, 23868, 24210, 24480, 25824, 26520, 27438, 27976, 28080, 29052, 29835, 31473, 31824, 32280, 34970, 35360, 36315, 36584, 36720, 38736, 39780, 41157, 41964, 43040, 45730, 47736, 48420, 52455, 53040, 54876, 55952, 56160, 58104, 59449, 59670, 62946, 63648, 64560, 68595, 69940, 72630, 73168, 73440, 77472, 79560, 82314, 83928, 91460, 94419, 95472, 96840, 104910, 106080, 109752, 111904, 116208, 118898, 119340, 123471, 125892, 129120, 137190, 139880, 145260, 146336, 157365, 159120, 164628, 167856, 178347, 182920, 188838, 190944, 193680, 205785, 209820, 219504, 232416, 237796, 238680, 246942, 251784, 274380, 279760, 290520, 297245, 314730, 318240, 329256, 335712, 356694, 365840, 377676, 387360, 411570, 419640, 439008, 472095, 475592, 477360, 493884, 503568, 535041, 548760, 559520, 581040, 594490, 617355, 629460, 658512, 713388, 731680, 755352, 823140, 839280, 891735, 944190, 951184, 954720, 987768, 1007136, 1070082, 1097520, 1162080, 1188980, 1234710, 1258920, 1317024, 1426776, 1510704, 1605123, 1646280, 1678560, 1783470, 1888380, 1902368, 1975536, 2140164, 2195040, 2377960, 2469420, 2517840, 2675205, 2853552, 3021408, 3210246, 3292560, 3566940, 3776760, 3951072, 4280328, 4755920, 4938840, 5035680, 5350410, 5707104, 6420492, 6585120, 7133880, 7553520, 8025615, 8560656, 9511840, 9877680, 10700820, 12840984, 14267760, 15107040, 16051230, 17121312, 19755360, 21401640, 25681968, 28535520, 32102460, 42803280, 51363936, 64204920, 85606560, 128409840, 256819680]

約数ペア:

[(1, 256819680), (2, 128409840), (3, 85606560), (4, 64204920), (5, 51363936), (6, 42803280), (8, 32102460), (9, 28535520), (10, 25681968), (12, 21401640), (13, 19755360), (15, 17121312), (16, 16051230), (17, 15107040), (18, 14267760), (20, 12840984), (24, 10700820), (26, 9877680), (27, 9511840), (30, 8560656), (32, 8025615), (34, 7553520), (36, 7133880), (39, 6585120), (40, 6420492), (45, 5707104), (48, 5350410), (51, 5035680), (52, 4938840), (54, 4755920), (60, 4280328), (65, 3951072), (68, 3776760), (72, 3566940), (78, 3292560), (80, 3210246), (85, 3021408), (90, 2853552), (96, 2675205), (102, 2517840), (104, 2469420), (108, 2377960), (117, 2195040), (120, 2140164), (130, 1975536), (135, 1902368), (136, 1888380), (144, 1783470), (153, 1678560), (156, 1646280), (160, 1605123), (170, 1510704), (180, 1426776), (195, 1317024), (204, 1258920), (208, 1234710), (216, 1188980), (221, 1162080), (234, 1097520), (240, 1070082), (255, 1007136), (260, 987768), (269, 954720), (270, 951184), (272, 944190), (288, 891735), (306, 839280), (312, 823140), (340, 755352), (351, 731680), (360, 713388), (390, 658512), (408, 629460), (416, 617355), (432, 594490), (442, 581040), (459, 559520), (468, 548760), (480, 535041), (510, 503568), (520, 493884), (538, 477360), (540, 475592), (544, 472095), (585, 439008), (612, 419640), (624, 411570), (663, 387360), (680, 377676), (702, 365840), (720, 356694), (765, 335712), (780, 329256), (807, 318240), (816, 314730), (864, 297245), (884, 290520), (918, 279760), (936, 274380), (1020, 251784), (1040, 246942), (1076, 238680), (1080, 237796), (1105, 232416), (1170, 219504), (1224, 209820), (1248, 205785), (1326, 193680), (1345, 190944), (1360, 188838), (1404, 182920), (1440, 178347), (1530, 167856), (1560, 164628), (1614, 159120), (1632, 157365), (1755, 146336), (1768, 145260), (1836, 139880), (1872, 137190), (1989, 129120), (2040, 125892), (2080, 123471), (2152, 119340), (2160, 118898), (2210, 116208), (2295, 111904), (2340, 109752), (2421, 106080), (2448, 104910), (2652, 96840), (2690, 95472), (2720, 94419), (2808, 91460), (3060, 83928), (3120, 82314), (3228, 79560), (3315, 77472), (3497, 73440), (3510, 73168), (3536, 72630), (3672, 69940), (3744, 68595), (3978, 64560), (4035, 63648), (4080, 62946), (4304, 59670), (4320, 59449), (4420, 58104), (4573, 56160), (4590, 55952), (4680, 54876), (4842, 53040), (4896, 52455), (5304, 48420), (5380, 47736), (5616, 45730), (5967, 43040), (6120, 41964), (6240, 41157), (6456, 39780), (6630, 38736), (6994, 36720), (7020, 36584), (7072, 36315), (7263, 35360), (7344, 34970), (7956, 32280), (8070, 31824), (8160, 31473), (8608, 29835), (8840, 29052), (9146, 28080), (9180, 27976), (9360, 27438), (9684, 26520), (9945, 25824), (10491, 24480), (10608, 24210), (10760, 23868), (11232, 22865), (11934, 21520), (12105, 21216), (12240, 20982), (12912, 19890), (13260, 19368), (13719, 18720), (13988, 18360), (14040, 18292), (14526, 17680), (14688, 17485), (15912, 16140)]