12520000890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{216347}}^1$

素因数の和:217003

約数の個数: 48

約数和(自身を含む): 32602778208

約数和(自身を除く): 20082777318

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 643, 1286, 1929, 3215, 3858, 5787, 6430, 9645, 11574, 19290, 28935, 57870, 216347, 432694, 649041, 1081735, 1298082, 1947123, 2163470, 3245205, 3894246, 6490410, 9735615, 19471230, 139111121, 278222242, 417333363, 695555605, 834666726, 1252000089, 1391111210, 2086666815, 2504000178, 4173333630, 6260000445, 12520000890]

約数ペア:

[(1, 12520000890), (2, 6260000445), (3, 4173333630), (5, 2504000178), (6, 2086666815), (9, 1391111210), (10, 1252000089), (15, 834666726), (18, 695555605), (30, 417333363), (45, 278222242), (90, 139111121), (643, 19471230), (1286, 9735615), (1929, 6490410), (3215, 3894246), (3858, 3245205), (5787, 2163470), (6430, 1947123), (9645, 1298082), (11574, 1081735), (19290, 649041), (28935, 432694), (57870, 216347)]