78640890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{11447}}^1$

素因数の和:11686

約数の個数: 32

約数和(自身を含む): 189578880

約数和(自身を除く): 110937990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 3435, 6870, 11447, 22894, 34341, 57235, 68682, 114470, 171705, 343410, 2621363, 5242726, 7864089, 13106815, 15728178, 26213630, 39320445, 78640890]

約数ペア:

[(1, 78640890), (2, 39320445), (3, 26213630), (5, 15728178), (6, 13106815), (10, 7864089), (15, 5242726), (30, 2621363), (229, 343410), (458, 171705), (687, 114470), (1145, 68682), (1374, 57235), (2290, 34341), (3435, 22894), (6870, 11447)]