261992640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2999}}^1$

素因数の和:3039

約数の個数: 224

約数和(自身を含む): 1024128000

約数和(自身を除く): 762135360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 832, 840, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2240, 2496, 2730, 2912, 2999, 3120, 3360, 3640, 4160, 4368, 5460, 5824, 5998, 6240, 6720, 7280, 8736, 8997, 10920, 11996, 12480, 14560, 14995, 17472, 17994, 20993, 21840, 23992, 29120, 29990, 35988, 38987, 41986, 43680, 44985, 47984, 59980, 62979, 71976, 77974, 83972, 87360, 89970, 95968, 104965, 116961, 119960, 125958, 143952, 155948, 167944, 179940, 191936, 194935, 209930, 233922, 239920, 251916, 272909, 287904, 311896, 314895, 335888, 359880, 389870, 419860, 467844, 479840, 503832, 545818, 575808, 584805, 623792, 629790, 671776, 719760, 779740, 818727, 839720, 935688, 959680, 1007664, 1091636, 1169610, 1247584, 1259580, 1343552, 1364545, 1439520, 1559480, 1637454, 1679440, 1871376, 2015328, 2183272, 2339220, 2495168, 2519160, 2729090, 2879040, 3118960, 3274908, 3358880, 3742752, 4030656, 4093635, 4366544, 4678440, 5038320, 5458180, 6237920, 6549816, 6717760, 7485504, 8187270, 8733088, 9356880, 10076640, 10916360, 12475840, 13099632, 16374540, 17466176, 18713760, 20153280, 21832720, 26199264, 32749080, 37427520, 43665440, 52398528, 65498160, 87330880, 130996320, 261992640]

約数ペア:

[(1, 261992640), (2, 130996320), (3, 87330880), (4, 65498160), (5, 52398528), (6, 43665440), (7, 37427520), (8, 32749080), (10, 26199264), (12, 21832720), (13, 20153280), (14, 18713760), (15, 17466176), (16, 16374540), (20, 13099632), (21, 12475840), (24, 10916360), (26, 10076640), (28, 9356880), (30, 8733088), (32, 8187270), (35, 7485504), (39, 6717760), (40, 6549816), (42, 6237920), (48, 5458180), (52, 5038320), (56, 4678440), (60, 4366544), (64, 4093635), (65, 4030656), (70, 3742752), (78, 3358880), (80, 3274908), (84, 3118960), (91, 2879040), (96, 2729090), (104, 2519160), (105, 2495168), (112, 2339220), (120, 2183272), (130, 2015328), (140, 1871376), (156, 1679440), (160, 1637454), (168, 1559480), (182, 1439520), (192, 1364545), (195, 1343552), (208, 1259580), (210, 1247584), (224, 1169610), (240, 1091636), (260, 1007664), (273, 959680), (280, 935688), (312, 839720), (320, 818727), (336, 779740), (364, 719760), (390, 671776), (416, 629790), (420, 623792), (448, 584805), (455, 575808), (480, 545818), (520, 503832), (546, 479840), (560, 467844), (624, 419860), (672, 389870), (728, 359880), (780, 335888), (832, 314895), (840, 311896), (910, 287904), (960, 272909), (1040, 251916), (1092, 239920), (1120, 233922), (1248, 209930), (1344, 194935), (1365, 191936), (1456, 179940), (1560, 167944), (1680, 155948), (1820, 143952), (2080, 125958), (2184, 119960), (2240, 116961), (2496, 104965), (2730, 95968), (2912, 89970), (2999, 87360), (3120, 83972), (3360, 77974), (3640, 71976), (4160, 62979), (4368, 59980), (5460, 47984), (5824, 44985), (5998, 43680), (6240, 41986), (6720, 38987), (7280, 35988), (8736, 29990), (8997, 29120), (10920, 23992), (11996, 21840), (12480, 20993), (14560, 17994), (14995, 17472)]