255081840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 904049280

約数和(自身を除く): 648967440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 169, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 331, 338, 380, 390, 456, 494, 507, 520, 570, 624, 662, 676, 741, 760, 780, 845, 912, 988, 993, 1014, 1040, 1140, 1235, 1324, 1352, 1482, 1520, 1560, 1655, 1690, 1976, 1986, 2028, 2280, 2470, 2535, 2648, 2704, 2964, 3120, 3211, 3310, 3380, 3705, 3952, 3972, 4056, 4303, 4560, 4940, 4965, 5070, 5296, 5928, 6289, 6422, 6620, 6760, 7410, 7944, 8112, 8606, 9633, 9880, 9930, 10140, 11856, 12578, 12844, 12909, 13240, 13520, 14820, 15888, 16055, 17212, 18867, 19266, 19760, 19860, 20280, 21515, 25156, 25688, 25818, 26480, 29640, 31445, 32110, 34424, 37734, 38532, 39720, 40560, 43030, 48165, 50312, 51376, 51636, 55939, 59280, 62890, 64220, 64545, 68848, 75468, 77064, 79440, 81757, 86060, 94335, 96330, 100624, 103272, 111878, 125780, 128440, 129090, 150936, 154128, 163514, 167817, 172120, 188670, 192660, 206544, 223756, 245271, 251560, 256880, 258180, 279695, 301872, 327028, 335634, 344240, 377340, 385320, 408785, 447512, 490542, 503120, 516360, 559390, 654056, 671268, 754680, 770640, 817570, 839085, 895024, 981084, 1032720, 1062841, 1118780, 1226355, 1308112, 1342536, 1509360, 1635140, 1678170, 1962168, 2125682, 2237560, 2452710, 2685072, 3188523, 3270280, 3356340, 3924336, 4251364, 4475120, 4905420, 5314205, 6377046, 6540560, 6712680, 8502728, 9810840, 10628410, 12754092, 13425360, 15942615, 17005456, 19621680, 21256820, 25508184, 31885230, 42513640, 51016368, 63770460, 85027280, 127540920, 255081840]

約数ペア:

[(1, 255081840), (2, 127540920), (3, 85027280), (4, 63770460), (5, 51016368), (6, 42513640), (8, 31885230), (10, 25508184), (12, 21256820), (13, 19621680), (15, 17005456), (16, 15942615), (19, 13425360), (20, 12754092), (24, 10628410), (26, 9810840), (30, 8502728), (38, 6712680), (39, 6540560), (40, 6377046), (48, 5314205), (52, 4905420), (57, 4475120), (60, 4251364), (65, 3924336), (76, 3356340), (78, 3270280), (80, 3188523), (95, 2685072), (104, 2452710), (114, 2237560), (120, 2125682), (130, 1962168), (152, 1678170), (156, 1635140), (169, 1509360), (190, 1342536), (195, 1308112), (208, 1226355), (228, 1118780), (240, 1062841), (247, 1032720), (260, 981084), (285, 895024), (304, 839085), (312, 817570), (331, 770640), (338, 754680), (380, 671268), (390, 654056), (456, 559390), (494, 516360), (507, 503120), (520, 490542), (570, 447512), (624, 408785), (662, 385320), (676, 377340), (741, 344240), (760, 335634), (780, 327028), (845, 301872), (912, 279695), (988, 258180), (993, 256880), (1014, 251560), (1040, 245271), (1140, 223756), (1235, 206544), (1324, 192660), (1352, 188670), (1482, 172120), (1520, 167817), (1560, 163514), (1655, 154128), (1690, 150936), (1976, 129090), (1986, 128440), (2028, 125780), (2280, 111878), (2470, 103272), (2535, 100624), (2648, 96330), (2704, 94335), (2964, 86060), (3120, 81757), (3211, 79440), (3310, 77064), (3380, 75468), (3705, 68848), (3952, 64545), (3972, 64220), (4056, 62890), (4303, 59280), (4560, 55939), (4940, 51636), (4965, 51376), (5070, 50312), (5296, 48165), (5928, 43030), (6289, 40560), (6422, 39720), (6620, 38532), (6760, 37734), (7410, 34424), (7944, 32110), (8112, 31445), (8606, 29640), (9633, 26480), (9880, 25818), (9930, 25688), (10140, 25156), (11856, 21515), (12578, 20280), (12844, 19860), (12909, 19760), (13240, 19266), (13520, 18867), (14820, 17212), (15888, 16055)]