72991776

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 226890720

約数和(自身を除く): 153898944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 66, 78, 88, 96, 104, 132, 143, 156, 169, 176, 208, 264, 286, 312, 338, 352, 409, 416, 429, 507, 528, 572, 624, 676, 818, 858, 1014, 1056, 1144, 1227, 1248, 1352, 1636, 1716, 1859, 2028, 2288, 2454, 2704, 3272, 3432, 3718, 4056, 4499, 4576, 4908, 5317, 5408, 5577, 6544, 6864, 7436, 8112, 8998, 9816, 10634, 11154, 13088, 13497, 13728, 14872, 15951, 16224, 17996, 19632, 21268, 22308, 26994, 29744, 31902, 35992, 39264, 42536, 44616, 53988, 58487, 59488, 63804, 69121, 71984, 85072, 89232, 107976, 116974, 127608, 138242, 143968, 170144, 175461, 178464, 207363, 215952, 233948, 255216, 276484, 350922, 414726, 431904, 467896, 510432, 552968, 701844, 760331, 829452, 935792, 1105936, 1403688, 1520662, 1658904, 1871584, 2211872, 2280993, 2807376, 3041324, 3317808, 4561986, 5614752, 6082648, 6635616, 9123972, 12165296, 18247944, 24330592, 36495888, 72991776]

約数ペア:

[(1, 72991776), (2, 36495888), (3, 24330592), (4, 18247944), (6, 12165296), (8, 9123972), (11, 6635616), (12, 6082648), (13, 5614752), (16, 4561986), (22, 3317808), (24, 3041324), (26, 2807376), (32, 2280993), (33, 2211872), (39, 1871584), (44, 1658904), (48, 1520662), (52, 1403688), (66, 1105936), (78, 935792), (88, 829452), (96, 760331), (104, 701844), (132, 552968), (143, 510432), (156, 467896), (169, 431904), (176, 414726), (208, 350922), (264, 276484), (286, 255216), (312, 233948), (338, 215952), (352, 207363), (409, 178464), (416, 175461), (429, 170144), (507, 143968), (528, 138242), (572, 127608), (624, 116974), (676, 107976), (818, 89232), (858, 85072), (1014, 71984), (1056, 69121), (1144, 63804), (1227, 59488), (1248, 58487), (1352, 53988), (1636, 44616), (1716, 42536), (1859, 39264), (2028, 35992), (2288, 31902), (2454, 29744), (2704, 26994), (3272, 22308), (3432, 21268), (3718, 19632), (4056, 17996), (4499, 16224), (4576, 15951), (4908, 14872), (5317, 13728), (5408, 13497), (5577, 13088), (6544, 11154), (6864, 10634), (7436, 9816), (8112, 8998)]