81750348

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 227714760

約数和(自身を除く): 145964412

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 139, 153, 186, 204, 278, 279, 306, 372, 417, 527, 556, 558, 612, 834, 961, 1054, 1116, 1251, 1581, 1668, 1922, 2108, 2363, 2502, 2883, 3162, 3844, 4309, 4726, 4743, 5004, 5766, 6324, 7089, 8618, 8649, 9452, 9486, 11532, 12927, 14178, 16337, 17236, 17298, 18972, 21267, 25854, 28356, 32674, 34596, 38781, 42534, 49011, 51708, 65348, 73253, 77562, 85068, 98022, 133579, 146506, 147033, 155124, 196044, 219759, 267158, 293012, 294066, 400737, 439518, 534316, 588132, 659277, 801474, 879036, 1202211, 1318554, 1602948, 2270843, 2404422, 2637108, 4541686, 4808844, 6812529, 9083372, 13625058, 20437587, 27250116, 40875174, 81750348]

約数ペア:

[(1, 81750348), (2, 40875174), (3, 27250116), (4, 20437587), (6, 13625058), (9, 9083372), (12, 6812529), (17, 4808844), (18, 4541686), (31, 2637108), (34, 2404422), (36, 2270843), (51, 1602948), (62, 1318554), (68, 1202211), (93, 879036), (102, 801474), (124, 659277), (139, 588132), (153, 534316), (186, 439518), (204, 400737), (278, 294066), (279, 293012), (306, 267158), (372, 219759), (417, 196044), (527, 155124), (556, 147033), (558, 146506), (612, 133579), (834, 98022), (961, 85068), (1054, 77562), (1116, 73253), (1251, 65348), (1581, 51708), (1668, 49011), (1922, 42534), (2108, 38781), (2363, 34596), (2502, 32674), (2883, 28356), (3162, 25854), (3844, 21267), (4309, 18972), (4726, 17298), (4743, 17236), (5004, 16337), (5766, 14178), (6324, 12927), (7089, 11532), (8618, 9486), (8649, 9452)]