1289774560

素因数分解:

$2^5\times 5^1\times {\mathrm{479}}^1\times {\mathrm{16829}}^1$

素因数の和:17323

約数の個数: 48

約数和(自身を含む): 3053635200

約数和(自身を除く): 1763860640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 479, 958, 1916, 2395, 3832, 4790, 7664, 9580, 15328, 16829, 19160, 33658, 38320, 67316, 76640, 84145, 134632, 168290, 269264, 336580, 538528, 673160, 1346320, 2692640, 8061091, 16122182, 32244364, 40305455, 64488728, 80610910, 128977456, 161221820, 257954912, 322443640, 644887280, 1289774560]

約数ペア:

[(1, 1289774560), (2, 644887280), (4, 322443640), (5, 257954912), (8, 161221820), (10, 128977456), (16, 80610910), (20, 64488728), (32, 40305455), (40, 32244364), (80, 16122182), (160, 8061091), (479, 2692640), (958, 1346320), (1916, 673160), (2395, 538528), (3832, 336580), (4790, 269264), (7664, 168290), (9580, 134632), (15328, 84145), (16829, 76640), (19160, 67316), (33658, 38320)]