281688161280

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 1056

約数和(自身を含む): 1042488299520

約数和(自身を除く): 760800138240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 31, 32, 34, 40, 46, 48, 51, 60, 62, 64, 68, 69, 80, 85, 89, 92, 93, 96, 102, 115, 120, 124, 128, 136, 138, 155, 160, 170, 178, 184, 186, 192, 204, 230, 240, 248, 255, 256, 267, 272, 276, 289, 310, 320, 340, 345, 356, 368, 372, 384, 391, 408, 445, 460, 465, 480, 496, 510, 512, 527, 534, 544, 552, 578, 620, 640, 680, 690, 712, 713, 736, 744, 768, 782, 816, 867, 890, 920, 930, 960, 992, 1020, 1024, 1054, 1068, 1088, 1104, 1156, 1173, 1240, 1280, 1335, 1360, 1380, 1424, 1426, 1445, 1472, 1488, 1513, 1536, 1564, 1581, 1632, 1734, 1780, 1840, 1860, 1920, 1955, 1984, 2040, 2047, 2108, 2136, 2139, 2176, 2208, 2312, 2346, 2480, 2560, 2635, 2670, 2720, 2759, 2760, 2848, 2852, 2890, 2944, 2976, 3026, 3072, 3128, 3162, 3264, 3468, 3560, 3565, 3680, 3720, 3840, 3910, 3968, 4080, 4094, 4216, 4272, 4278, 4335, 4352, 4416, 4539, 4624, 4692, 4960, 5120, 5270, 5340, 5440, 5518, 5520, 5696, 5704, 5780, 5865, 5888, 5952, 6052, 6141, 6256, 6324, 6528, 6647, 6936, 7120, 7130, 7360, 7440, 7565, 7680, 7820, 7905, 7936, 8160, 8188, 8277, 8432, 8544, 8556, 8670, 8704, 8832, 8959, 9078, 9248, 9384, 9920, 10235, 10540, 10680, 10695, 10880, 11036, 11040, 11392, 11408, 11560, 11730, 11776, 11904, 12104, 12121, 12282, 12512, 12648, 13056, 13294, 13795, 13872, 14240, 14260, 14720, 14880, 15130, 15360, 15640, 15810, 15872, 16320, 16376, 16554, 16864, 17088, 17112, 17340, 17408, 17664, 17918, 18156, 18496, 18768, 19840, 19941, 20470, 21080, 21360, 21390, 21760, 22072, 22080, 22695, 22784, 22816, 23120, 23460, 23552, 23808, 24208, 24242, 24564, 25024, 25296, 25721, 26112, 26588, 26877, 27590, 27744, 28480, 28520, 29440, 29760, 30260, 30705, 31280, 31620, 31744, 32640, 32752, 33108, 33235, 33728, 34176, 34224, 34680, 34799, 35328, 35836, 36312, 36363, 36992, 37536, 39680, 39882, 40940, 41385, 42160, 42720, 42780, 43520, 44144, 44160, 44795, 45390, 45568, 45632, 46240, 46903, 46920, 47616, 48416, 48484, 49128, 50048, 50592, 51442, 52224, 53176, 53754, 55180, 55488, 56960, 57040, 58880, 59520, 60520, 60605, 61410, 62560, 63240, 63457, 65280, 65504, 66216, 66470, 67456, 68352, 68448, 69360, 69598, 70656, 71672, 72624, 72726, 73984, 75072, 77163, 79360, 79764, 81880, 82770, 84320, 85440, 85560, 87040, 88288, 88320, 89590, 90780, 91136, 91264, 92480, 93806, 93840, 95232, 96832, 96968, 98256, 99705, 100096, 101184, 102884, 104397, 106352, 107508, 110360, 110976, 113920, 114080, 117760, 119040, 121040, 121210, 122820, 125120, 126480, 126914, 128605, 130560, 131008, 132432, 132940, 134385, 134912, 136704, 136896, 138720, 139196, 140709, 143344, 145248, 145452, 147968, 150144, 154326, 158720, 159528, 163760, 165540, 168640, 170880, 171120, 173995, 176576, 176640, 179180, 181560, 181815, 182528, 184960, 187612, 187680, 190371, 193664, 193936, 196512, 199410, 200192, 202368, 205768, 206057, 208794, 212704, 215016, 220720, 221952, 227840, 228160, 234515, 238080, 242080, 242420, 245640, 250240, 252960, 253828, 257210, 261120, 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約数ペア:

[(1, 281688161280), (2, 140844080640), (3, 93896053760), (4, 70422040320), (5, 56337632256), (6, 46948026880), (8, 35211020160), (10, 28168816128), (12, 23474013440), (15, 18779210752), (16, 17605510080), (17, 16569891840), (20, 14084408064), (23, 12247311360), (24, 11737006720), (30, 9389605376), (31, 9086714880), (32, 8802755040), (34, 8284945920), (40, 7042204032), (46, 6123655680), (48, 5868503360), (51, 5523297280), (60, 4694802688), (62, 4543357440), (64, 4401377520), (68, 4142472960), (69, 4082437120), (80, 3521102016), (85, 3313978368), (89, 3165035520), (92, 3061827840), (93, 3028904960), (96, 2934251680), (102, 2761648640), (115, 2449462272), (120, 2347401344), (124, 2271678720), (128, 2200688760), (136, 2071236480), (138, 2041218560), (155, 1817342976), (160, 1760551008), (170, 1656989184), (178, 1582517760), (184, 1530913920), (186, 1514452480), (192, 1467125840), (204, 1380824320), (230, 1224731136), (240, 1173700672), (248, 1135839360), (255, 1104659456), (256, 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