261530880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 288

約数和(自身を含む): 934026240

約数和(自身を除く): 672495360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 169, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 338, 372, 384, 390, 403, 416, 465, 480, 496, 507, 520, 620, 624, 640, 676, 744, 768, 780, 806, 832, 845, 930, 960, 992, 1014, 1040, 1209, 1240, 1248, 1280, 1352, 1488, 1560, 1612, 1664, 1690, 1860, 1920, 1984, 2015, 2028, 2080, 2197, 2418, 2480, 2496, 2535, 2704, 2976, 3120, 3224, 3328, 3380, 3720, 3840, 3968, 4030, 4056, 4160, 4394, 4836, 4960, 4992, 5070, 5239, 5408, 5952, 6045, 6240, 6448, 6591, 6760, 7440, 7936, 8060, 8112, 8320, 8788, 9672, 9920, 9984, 10140, 10478, 10816, 10985, 11904, 12090, 12480, 12896, 13182, 13520, 14880, 15717, 16120, 16224, 16640, 17576, 19344, 19840, 20280, 20956, 21632, 21970, 23808, 24180, 24960, 25792, 26195, 26364, 27040, 29760, 31434, 32240, 32448, 32955, 35152, 38688, 39680, 40560, 41912, 43264, 43940, 48360, 49920, 51584, 52390, 52728, 54080, 59520, 62868, 64480, 64896, 65910, 68107, 70304, 77376, 78585, 81120, 83824, 87880, 96720, 103168, 104780, 105456, 108160, 119040, 125736, 128960, 129792, 131820, 136214, 140608, 154752, 157170, 162240, 167648, 175760, 193440, 204321, 209560, 210912, 216320, 251472, 257920, 263640, 272428, 281216, 309504, 314340, 324480, 335296, 340535, 351520, 386880, 408642, 419120, 421824, 502944, 515840, 527280, 544856, 562432, 628680, 648960, 670592, 681070, 703040, 773760, 817284, 838240, 843648, 1005888, 1021605, 1054560, 1089712, 1257360, 1341184, 1362140, 1406080, 1547520, 1634568, 1676480, 1687296, 2011776, 2043210, 2109120, 2179424, 2514720, 2724280, 2812160, 3269136, 3352960, 4023552, 4086420, 4218240, 4358848, 5029440, 5448560, 6538272, 6705920, 8172840, 8436480, 8717696, 10058880, 10897120, 13076544, 16345680, 17435392, 20117760, 21794240, 26153088, 32691360, 43588480, 52306176, 65382720, 87176960, 130765440, 261530880]

約数ペア:

[(1, 261530880), (2, 130765440), (3, 87176960), (4, 65382720), (5, 52306176), (6, 43588480), (8, 32691360), (10, 26153088), (12, 21794240), (13, 20117760), (15, 17435392), (16, 16345680), (20, 13076544), (24, 10897120), (26, 10058880), (30, 8717696), (31, 8436480), (32, 8172840), (39, 6705920), (40, 6538272), (48, 5448560), (52, 5029440), (60, 4358848), (62, 4218240), (64, 4086420), (65, 4023552), (78, 3352960), (80, 3269136), (93, 2812160), (96, 2724280), (104, 2514720), (120, 2179424), (124, 2109120), (128, 2043210), (130, 2011776), (155, 1687296), (156, 1676480), (160, 1634568), (169, 1547520), (186, 1406080), (192, 1362140), (195, 1341184), (208, 1257360), (240, 1089712), (248, 1054560), (256, 1021605), (260, 1005888), (310, 843648), (312, 838240), (320, 817284), (338, 773760), (372, 703040), (384, 681070), (390, 670592), (403, 648960), (416, 628680), (465, 562432), (480, 544856), (496, 527280), (507, 515840), (520, 502944), (620, 421824), (624, 419120), (640, 408642), (676, 386880), (744, 351520), (768, 340535), (780, 335296), (806, 324480), (832, 314340), (845, 309504), (930, 281216), (960, 272428), (992, 263640), (1014, 257920), (1040, 251472), (1209, 216320), (1240, 210912), (1248, 209560), (1280, 204321), (1352, 193440), (1488, 175760), (1560, 167648), (1612, 162240), (1664, 157170), (1690, 154752), (1860, 140608), (1920, 136214), (1984, 131820), (2015, 129792), (2028, 128960), (2080, 125736), (2197, 119040), (2418, 108160), (2480, 105456), (2496, 104780), (2535, 103168), (2704, 96720), (2976, 87880), (3120, 83824), (3224, 81120), (3328, 78585), (3380, 77376), (3720, 70304), (3840, 68107), (3968, 65910), (4030, 64896), (4056, 64480), (4160, 62868), (4394, 59520), (4836, 54080), (4960, 52728), (4992, 52390), (5070, 51584), (5239, 49920), (5408, 48360), (5952, 43940), (6045, 43264), (6240, 41912), (6448, 40560), (6591, 39680), (6760, 38688), (7440, 35152), (7936, 32955), (8060, 32448), (8112, 32240), (8320, 31434), (8788, 29760), (9672, 27040), (9920, 26364), (9984, 26195), (10140, 25792), (10478, 24960), (10816, 24180), (10985, 23808), (11904, 21970), (12090, 21632), (12480, 20956), (12896, 20280), (13182, 19840), (13520, 19344), (14880, 17576), (15717, 16640), (16120, 16224)]