81871524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 259459200

約数和(自身を除く): 177587676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 29, 34, 36, 42, 51, 58, 63, 68, 84, 87, 102, 116, 119, 126, 153, 174, 203, 204, 238, 252, 261, 306, 348, 357, 406, 476, 493, 522, 609, 612, 659, 714, 812, 986, 1044, 1071, 1218, 1318, 1428, 1479, 1827, 1972, 1977, 2142, 2436, 2636, 2958, 3451, 3654, 3954, 4284, 4437, 4613, 5916, 5931, 6902, 7308, 7908, 8874, 9226, 10353, 11203, 11862, 13804, 13839, 17748, 18452, 19111, 20706, 22406, 23724, 27678, 31059, 33609, 38222, 41412, 41517, 44812, 55356, 57333, 62118, 67218, 76444, 78421, 83034, 100827, 114666, 124236, 133777, 134436, 156842, 166068, 171999, 201654, 229332, 235263, 267554, 313684, 324887, 343998, 401331, 403308, 470526, 535108, 649774, 687996, 705789, 802662, 941052, 974661, 1203993, 1299548, 1411578, 1605324, 1949322, 2274209, 2407986, 2823156, 2923983, 3898644, 4548418, 4815972, 5847966, 6822627, 9096836, 11695932, 13645254, 20467881, 27290508, 40935762, 81871524]

約数ペア:

[(1, 81871524), (2, 40935762), (3, 27290508), (4, 20467881), (6, 13645254), (7, 11695932), (9, 9096836), (12, 6822627), (14, 5847966), (17, 4815972), (18, 4548418), (21, 3898644), (28, 2923983), (29, 2823156), (34, 2407986), (36, 2274209), (42, 1949322), (51, 1605324), (58, 1411578), (63, 1299548), (68, 1203993), (84, 974661), (87, 941052), (102, 802662), (116, 705789), (119, 687996), (126, 649774), (153, 535108), (174, 470526), (203, 403308), (204, 401331), (238, 343998), (252, 324887), (261, 313684), (306, 267554), (348, 235263), (357, 229332), (406, 201654), (476, 171999), (493, 166068), (522, 156842), (609, 134436), (612, 133777), (659, 124236), (714, 114666), (812, 100827), (986, 83034), (1044, 78421), (1071, 76444), (1218, 67218), (1318, 62118), (1428, 57333), (1479, 55356), (1827, 44812), (1972, 41517), (1977, 41412), (2142, 38222), (2436, 33609), (2636, 31059), (2958, 27678), (3451, 23724), (3654, 22406), (3954, 20706), (4284, 19111), (4437, 18452), (4613, 17748), (5916, 13839), (5931, 13804), (6902, 11862), (7308, 11203), (7908, 10353), (8874, 9226)]