256282056

素因数分解:

$2^3\times 3^4\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1276

約数の個数: 80

約数和(自身を含む): 720112140

約数和(自身を除く): 463830084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 617, 641, 648, 1234, 1282, 1851, 1923, 2468, 2564, 3702, 3846, 4936, 5128, 5553, 5769, 7404, 7692, 11106, 11538, 14808, 15384, 16659, 17307, 22212, 23076, 33318, 34614, 44424, 46152, 49977, 51921, 66636, 69228, 99954, 103842, 133272, 138456, 199908, 207684, 395497, 399816, 415368, 790994, 1186491, 1581988, 2372982, 3163976, 3559473, 4745964, 7118946, 9491928, 10678419, 14237892, 21356838, 28475784, 32035257, 42713676, 64070514, 85427352, 128141028, 256282056]

約数ペア:

[(1, 256282056), (2, 128141028), (3, 85427352), (4, 64070514), (6, 42713676), (8, 32035257), (9, 28475784), (12, 21356838), (18, 14237892), (24, 10678419), (27, 9491928), (36, 7118946), (54, 4745964), (72, 3559473), (81, 3163976), (108, 2372982), (162, 1581988), (216, 1186491), (324, 790994), (617, 415368), (641, 399816), (648, 395497), (1234, 207684), (1282, 199908), (1851, 138456), (1923, 133272), (2468, 103842), (2564, 99954), (3702, 69228), (3846, 66636), (4936, 51921), (5128, 49977), (5553, 46152), (5769, 44424), (7404, 34614), (7692, 33318), (11106, 23076), (11538, 22212), (14808, 17307), (15384, 16659)]