1254375640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{9199}}^1$

素因数の和:9704

約数の個数: 64

約数和(自身を含む): 3232512000

約数和(自身を除く): 1978136360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 974, 1948, 2435, 3409, 3896, 4870, 6818, 9199, 9740, 13636, 17045, 18398, 19480, 27272, 34090, 36796, 45995, 64393, 68180, 73592, 91990, 128786, 136360, 183980, 257572, 321965, 367960, 515144, 643930, 1287860, 2575720, 4479913, 8959826, 17919652, 22399565, 31359391, 35839304, 44799130, 62718782, 89598260, 125437564, 156796955, 179196520, 250875128, 313593910, 627187820, 1254375640]

約数ペア:

[(1, 1254375640), (2, 627187820), (4, 313593910), (5, 250875128), (7, 179196520), (8, 156796955), (10, 125437564), (14, 89598260), (20, 62718782), (28, 44799130), (35, 35839304), (40, 31359391), (56, 22399565), (70, 17919652), (140, 8959826), (280, 4479913), (487, 2575720), (974, 1287860), (1948, 643930), (2435, 515144), (3409, 367960), (3896, 321965), (4870, 257572), (6818, 183980), (9199, 136360), (9740, 128786), (13636, 91990), (17045, 73592), (18398, 68180), (19480, 64393), (27272, 45995), (34090, 36796)]