261401088

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 808742880

約数和(自身を除く): 547341792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 53, 57, 64, 76, 78, 96, 104, 106, 114, 128, 152, 156, 159, 169, 192, 208, 212, 228, 247, 256, 304, 312, 318, 338, 384, 416, 424, 456, 494, 507, 512, 608, 624, 636, 676, 689, 741, 768, 832, 848, 912, 988, 1007, 1014, 1216, 1248, 1272, 1352, 1378, 1482, 1536, 1664, 1696, 1824, 1976, 2014, 2028, 2067, 2432, 2496, 2544, 2704, 2756, 2964, 3021, 3211, 3328, 3392, 3648, 3952, 4028, 4056, 4134, 4864, 4992, 5088, 5408, 5512, 5928, 6042, 6422, 6656, 6784, 7296, 7904, 8056, 8112, 8268, 8957, 9633, 9728, 9984, 10176, 10816, 11024, 11856, 12084, 12844, 13091, 13568, 14592, 15808, 16112, 16224, 16536, 17914, 19266, 19968, 20352, 21632, 22048, 23712, 24168, 25688, 26182, 26871, 27136, 29184, 31616, 32224, 32448, 33072, 35828, 38532, 39273, 40704, 43264, 44096, 47424, 48336, 51376, 52364, 53742, 63232, 64448, 64896, 66144, 71656, 77064, 78546, 81408, 86528, 88192, 94848, 96672, 102752, 104728, 107484, 126464, 128896, 129792, 132288, 143312, 154128, 157092, 170183, 176384, 189696, 193344, 205504, 209456, 214968, 257792, 259584, 264576, 286624, 308256, 314184, 340366, 352768, 379392, 386688, 411008, 418912, 429936, 510549, 515584, 529152, 573248, 616512, 628368, 680732, 773376, 822016, 837824, 859872, 1021098, 1058304, 1146496, 1233024, 1256736, 1361464, 1546752, 1644032, 1675648, 1719744, 2042196, 2292992, 2466048, 2513472, 2722928, 3351296, 3439488, 4084392, 4585984, 4932096, 5026944, 5445856, 6702592, 6878976, 8168784, 10053888, 10891712, 13757952, 16337568, 20107776, 21783424, 32675136, 43566848, 65350272, 87133696, 130700544, 261401088]

約数ペア:

[(1, 261401088), (2, 130700544), (3, 87133696), (4, 65350272), (6, 43566848), (8, 32675136), (12, 21783424), (13, 20107776), (16, 16337568), (19, 13757952), (24, 10891712), (26, 10053888), (32, 8168784), (38, 6878976), (39, 6702592), (48, 5445856), (52, 5026944), (53, 4932096), (57, 4585984), (64, 4084392), (76, 3439488), (78, 3351296), (96, 2722928), (104, 2513472), (106, 2466048), (114, 2292992), (128, 2042196), (152, 1719744), (156, 1675648), (159, 1644032), (169, 1546752), (192, 1361464), (208, 1256736), (212, 1233024), (228, 1146496), (247, 1058304), (256, 1021098), (304, 859872), (312, 837824), (318, 822016), (338, 773376), (384, 680732), (416, 628368), (424, 616512), (456, 573248), (494, 529152), (507, 515584), (512, 510549), (608, 429936), (624, 418912), (636, 411008), (676, 386688), (689, 379392), (741, 352768), (768, 340366), (832, 314184), (848, 308256), (912, 286624), (988, 264576), (1007, 259584), (1014, 257792), (1216, 214968), (1248, 209456), (1272, 205504), (1352, 193344), (1378, 189696), (1482, 176384), (1536, 170183), (1664, 157092), (1696, 154128), (1824, 143312), (1976, 132288), (2014, 129792), (2028, 128896), (2067, 126464), (2432, 107484), (2496, 104728), (2544, 102752), (2704, 96672), (2756, 94848), (2964, 88192), (3021, 86528), (3211, 81408), (3328, 78546), (3392, 77064), (3648, 71656), (3952, 66144), (4028, 64896), (4056, 64448), (4134, 63232), (4864, 53742), (4992, 52364), (5088, 51376), (5408, 48336), (5512, 47424), (5928, 44096), (6042, 43264), (6422, 40704), (6656, 39273), (6784, 38532), (7296, 35828), (7904, 33072), (8056, 32448), (8112, 32224), (8268, 31616), (8957, 29184), (9633, 27136), (9728, 26871), (9984, 26182), (10176, 25688), (10816, 24168), (11024, 23712), (11856, 22048), (12084, 21632), (12844, 20352), (13091, 19968), (13568, 19266), (14592, 17914), (15808, 16536), (16112, 16224)]