257015268

素因数分解:

$2^2\times 3^5\times {\mathrm{89}}^1\times {\mathrm{2971}}^1$

素因数の和:3079

約数の個数: 72

約数和(自身を含む): 681539040

約数和(自身を除く): 424523772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 243, 267, 324, 356, 486, 534, 801, 972, 1068, 1602, 2403, 2971, 3204, 4806, 5942, 7209, 8913, 9612, 11884, 14418, 17826, 21627, 26739, 28836, 35652, 43254, 53478, 80217, 86508, 106956, 160434, 240651, 264419, 320868, 481302, 528838, 721953, 793257, 962604, 1057676, 1443906, 1586514, 2379771, 2887812, 3173028, 4759542, 7139313, 9519084, 14278626, 21417939, 28557252, 42835878, 64253817, 85671756, 128507634, 257015268]

約数ペア:

[(1, 257015268), (2, 128507634), (3, 85671756), (4, 64253817), (6, 42835878), (9, 28557252), (12, 21417939), (18, 14278626), (27, 9519084), (36, 7139313), (54, 4759542), (81, 3173028), (89, 2887812), (108, 2379771), (162, 1586514), (178, 1443906), (243, 1057676), (267, 962604), (324, 793257), (356, 721953), (486, 528838), (534, 481302), (801, 320868), (972, 264419), (1068, 240651), (1602, 160434), (2403, 106956), (2971, 86508), (3204, 80217), (4806, 53478), (5942, 43254), (7209, 35652), (8913, 28836), (9612, 26739), (11884, 21627), (14418, 17826)]