81570888

素因数分解:

$2^3\times 3^4\times 7^3\times {\mathrm{367}}^1$

素因数の和:406

約数の個数: 160

約数和(自身を含む): 267168000

約数和(自身を除く): 185597112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 252, 294, 324, 343, 367, 378, 392, 441, 504, 567, 588, 648, 686, 734, 756, 882, 1029, 1101, 1134, 1176, 1323, 1372, 1468, 1512, 1764, 2058, 2202, 2268, 2569, 2646, 2744, 2936, 3087, 3303, 3528, 3969, 4116, 4404, 4536, 5138, 5292, 6174, 6606, 7707, 7938, 8232, 8808, 9261, 9909, 10276, 10584, 12348, 13212, 15414, 15876, 17983, 18522, 19818, 20552, 23121, 24696, 26424, 27783, 29727, 30828, 31752, 35966, 37044, 39636, 46242, 53949, 55566, 59454, 61656, 69363, 71932, 74088, 79272, 92484, 107898, 111132, 118908, 125881, 138726, 143864, 161847, 184968, 208089, 215796, 222264, 237816, 251762, 277452, 323694, 377643, 416178, 431592, 485541, 503524, 554904, 647388, 755286, 832356, 971082, 1007048, 1132929, 1294776, 1456623, 1510572, 1664712, 1942164, 2265858, 2913246, 3021144, 3398787, 3884328, 4531716, 5826492, 6797574, 9063432, 10196361, 11652984, 13595148, 20392722, 27190296, 40785444, 81570888]

約数ペア:

[(1, 81570888), (2, 40785444), (3, 27190296), (4, 20392722), (6, 13595148), (7, 11652984), (8, 10196361), (9, 9063432), (12, 6797574), (14, 5826492), (18, 4531716), (21, 3884328), (24, 3398787), (27, 3021144), (28, 2913246), (36, 2265858), (42, 1942164), (49, 1664712), (54, 1510572), (56, 1456623), (63, 1294776), (72, 1132929), (81, 1007048), (84, 971082), (98, 832356), (108, 755286), (126, 647388), (147, 554904), (162, 503524), (168, 485541), (189, 431592), (196, 416178), (216, 377643), (252, 323694), (294, 277452), (324, 251762), (343, 237816), (367, 222264), (378, 215796), (392, 208089), (441, 184968), (504, 161847), (567, 143864), (588, 138726), (648, 125881), (686, 118908), (734, 111132), (756, 107898), (882, 92484), (1029, 79272), (1101, 74088), (1134, 71932), (1176, 69363), (1323, 61656), (1372, 59454), (1468, 55566), (1512, 53949), (1764, 46242), (2058, 39636), (2202, 37044), (2268, 35966), (2569, 31752), (2646, 30828), (2744, 29727), (2936, 27783), (3087, 26424), (3303, 24696), (3528, 23121), (3969, 20552), (4116, 19818), (4404, 18522), (4536, 17983), (5138, 15876), (5292, 15414), (6174, 13212), (6606, 12348), (7707, 10584), (7938, 10276), (8232, 9909), (8808, 9261)]