257984460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{743}}^1$

素因数の和:1404

約数の個数: 96

約数和(自身を含む): 804948480

約数和(自身を除く): 546964020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 643, 743, 1286, 1486, 1929, 2229, 2572, 2972, 3215, 3715, 3858, 4458, 5787, 6430, 6687, 7430, 7716, 8916, 9645, 11145, 11574, 12860, 13374, 14860, 17361, 19290, 20061, 22290, 23148, 26748, 28935, 33435, 34722, 38580, 40122, 44580, 57870, 66870, 69444, 80244, 86805, 100305, 115740, 133740, 173610, 200610, 347220, 401220, 477749, 955498, 1433247, 1910996, 2388745, 2866494, 4299741, 4777490, 5732988, 7166235, 8599482, 9554980, 12899223, 14332470, 17198964, 21498705, 25798446, 28664940, 42997410, 51596892, 64496115, 85994820, 128992230, 257984460]

約数ペア:

[(1, 257984460), (2, 128992230), (3, 85994820), (4, 64496115), (5, 51596892), (6, 42997410), (9, 28664940), (10, 25798446), (12, 21498705), (15, 17198964), (18, 14332470), (20, 12899223), (27, 9554980), (30, 8599482), (36, 7166235), (45, 5732988), (54, 4777490), (60, 4299741), (90, 2866494), (108, 2388745), (135, 1910996), (180, 1433247), (270, 955498), (540, 477749), (643, 401220), (743, 347220), (1286, 200610), (1486, 173610), (1929, 133740), (2229, 115740), (2572, 100305), (2972, 86805), (3215, 80244), (3715, 69444), (3858, 66870), (4458, 57870), (5787, 44580), (6430, 40122), (6687, 38580), (7430, 34722), (7716, 33435), (8916, 28935), (9645, 26748), (11145, 23148), (11574, 22290), (12860, 20061), (13374, 19290), (14860, 17361)]