15787660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4903}}^1$

素因数の和:4942

約数の個数: 48

約数和(自身を含む): 39545856

約数和(自身を除く): 23758196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4903, 9806, 19612, 24515, 34321, 49030, 68642, 98060, 112769, 137284, 171605, 225538, 343210, 451076, 563845, 686420, 789383, 1127690, 1578766, 2255380, 3157532, 3946915, 7893830, 15787660]

約数ペア:

[(1, 15787660), (2, 7893830), (4, 3946915), (5, 3157532), (7, 2255380), (10, 1578766), (14, 1127690), (20, 789383), (23, 686420), (28, 563845), (35, 451076), (46, 343210), (70, 225538), (92, 171605), (115, 137284), (140, 112769), (161, 98060), (230, 68642), (322, 49030), (460, 34321), (644, 24515), (805, 19612), (1610, 9806), (3220, 4903)]