261304960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 782576640

約数和(自身を除く): 521271680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 47, 56, 64, 68, 70, 73, 80, 85, 94, 112, 119, 128, 136, 140, 146, 160, 170, 188, 224, 235, 238, 272, 280, 292, 320, 329, 340, 365, 376, 448, 470, 476, 511, 544, 560, 584, 595, 640, 658, 680, 730, 752, 799, 896, 940, 952, 1022, 1088, 1120, 1168, 1190, 1241, 1316, 1360, 1460, 1504, 1598, 1645, 1880, 1904, 2044, 2176, 2240, 2336, 2380, 2482, 2555, 2632, 2720, 2920, 3008, 3196, 3290, 3431, 3760, 3808, 3995, 4088, 4480, 4672, 4760, 4964, 5110, 5264, 5440, 5593, 5840, 6016, 6205, 6392, 6580, 6862, 7520, 7616, 7990, 8176, 8687, 9344, 9520, 9928, 10220, 10528, 10880, 11186, 11680, 12410, 12784, 13160, 13724, 15040, 15232, 15980, 16352, 17155, 17374, 19040, 19856, 20440, 21056, 22372, 23360, 24017, 24820, 25568, 26320, 27448, 27965, 30080, 31960, 32704, 34310, 34748, 38080, 39712, 40880, 42112, 43435, 44744, 46720, 48034, 49640, 51136, 52640, 54896, 55930, 58327, 63920, 65408, 68620, 69496, 76160, 79424, 81760, 86870, 89488, 96068, 99280, 102272, 105280, 109792, 111860, 116654, 120085, 127840, 137240, 138992, 158848, 163520, 173740, 178976, 192136, 198560, 210560, 219584, 223720, 233308, 240170, 255680, 274480, 277984, 291635, 327040, 347480, 357952, 384272, 397120, 408289, 439168, 447440, 466616, 480340, 511360, 548960, 555968, 583270, 694960, 715904, 768544, 794240, 816578, 894880, 933232, 960680, 1097920, 1111936, 1166540, 1389920, 1537088, 1633156, 1789760, 1866464, 1921360, 2041445, 2195840, 2333080, 2779840, 3074176, 3266312, 3579520, 3732928, 3842720, 4082890, 4666160, 5559680, 6532624, 7465856, 7685440, 8165780, 9332320, 13065248, 15370880, 16331560, 18664640, 26130496, 32663120, 37329280, 52260992, 65326240, 130652480, 261304960]

約数ペア:

[(1, 261304960), (2, 130652480), (4, 65326240), (5, 52260992), (7, 37329280), (8, 32663120), (10, 26130496), (14, 18664640), (16, 16331560), (17, 15370880), (20, 13065248), (28, 9332320), (32, 8165780), (34, 7685440), (35, 7465856), (40, 6532624), (47, 5559680), (56, 4666160), (64, 4082890), (68, 3842720), (70, 3732928), (73, 3579520), (80, 3266312), (85, 3074176), (94, 2779840), (112, 2333080), (119, 2195840), (128, 2041445), (136, 1921360), (140, 1866464), (146, 1789760), (160, 1633156), (170, 1537088), (188, 1389920), (224, 1166540), (235, 1111936), (238, 1097920), (272, 960680), (280, 933232), (292, 894880), (320, 816578), (329, 794240), (340, 768544), (365, 715904), (376, 694960), (448, 583270), (470, 555968), (476, 548960), (511, 511360), (544, 480340), (560, 466616), (584, 447440), (595, 439168), (640, 408289), (658, 397120), (680, 384272), (730, 357952), (752, 347480), (799, 327040), (896, 291635), (940, 277984), (952, 274480), (1022, 255680), (1088, 240170), (1120, 233308), (1168, 223720), (1190, 219584), (1241, 210560), (1316, 198560), (1360, 192136), (1460, 178976), (1504, 173740), (1598, 163520), (1645, 158848), (1880, 138992), (1904, 137240), (2044, 127840), (2176, 120085), (2240, 116654), (2336, 111860), (2380, 109792), (2482, 105280), (2555, 102272), (2632, 99280), (2720, 96068), (2920, 89488), (3008, 86870), (3196, 81760), (3290, 79424), (3431, 76160), (3760, 69496), (3808, 68620), (3995, 65408), (4088, 63920), (4480, 58327), (4672, 55930), (4760, 54896), (4964, 52640), (5110, 51136), (5264, 49640), (5440, 48034), (5593, 46720), (5840, 44744), (6016, 43435), (6205, 42112), (6392, 40880), (6580, 39712), (6862, 38080), (7520, 34748), (7616, 34310), (7990, 32704), (8176, 31960), (8687, 30080), (9344, 27965), (9520, 27448), (9928, 26320), (10220, 25568), (10528, 24820), (10880, 24017), (11186, 23360), (11680, 22372), (12410, 21056), (12784, 20440), (13160, 19856), (13724, 19040), (15040, 17374), (15232, 17155), (15980, 16352)]