261981420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{3547}}^1$

素因数の和:4790

約数の個数: 48

約数和(自身を含む): 734350848

約数和(自身を除く): 472369428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1231, 2462, 3547, 3693, 4924, 6155, 7094, 7386, 10641, 12310, 14188, 14772, 17735, 18465, 21282, 24620, 35470, 36930, 42564, 53205, 70940, 73860, 106410, 212820, 4366357, 8732714, 13099071, 17465428, 21831785, 26198142, 43663570, 52396284, 65495355, 87327140, 130990710, 261981420]

約数ペア:

[(1, 261981420), (2, 130990710), (3, 87327140), (4, 65495355), (5, 52396284), (6, 43663570), (10, 26198142), (12, 21831785), (15, 17465428), (20, 13099071), (30, 8732714), (60, 4366357), (1231, 212820), (2462, 106410), (3547, 73860), (3693, 70940), (4924, 53205), (6155, 42564), (7094, 36930), (7386, 35470), (10641, 24620), (12310, 21282), (14188, 18465), (14772, 17735)]