15121580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 33675264

約数和(自身を除く): 18553684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 463, 710, 926, 1420, 1633, 1852, 2315, 3266, 4630, 6532, 8165, 9260, 10649, 16330, 21298, 32660, 32873, 42596, 53245, 65746, 106490, 131492, 164365, 212980, 328730, 657460, 756079, 1512158, 3024316, 3780395, 7560790, 15121580]

約数ペア:

[(1, 15121580), (2, 7560790), (4, 3780395), (5, 3024316), (10, 1512158), (20, 756079), (23, 657460), (46, 328730), (71, 212980), (92, 164365), (115, 131492), (142, 106490), (230, 65746), (284, 53245), (355, 42596), (460, 32873), (463, 32660), (710, 21298), (926, 16330), (1420, 10649), (1633, 9260), (1852, 8165), (2315, 6532), (3266, 4630)]