31196790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1381}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 81493776

約数和(自身を除く): 50296986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 251, 502, 753, 1255, 1381, 1506, 2259, 2510, 2762, 3765, 4143, 4518, 6905, 7530, 8286, 11295, 12429, 13810, 20715, 22590, 24858, 41430, 62145, 124290, 346631, 693262, 1039893, 1733155, 2079786, 3119679, 3466310, 5199465, 6239358, 10398930, 15598395, 31196790]

約数ペア:

[(1, 31196790), (2, 15598395), (3, 10398930), (5, 6239358), (6, 5199465), (9, 3466310), (10, 3119679), (15, 2079786), (18, 1733155), (30, 1039893), (45, 693262), (90, 346631), (251, 124290), (502, 62145), (753, 41430), (1255, 24858), (1381, 22590), (1506, 20715), (2259, 13810), (2510, 12429), (2762, 11295), (3765, 8286), (4143, 7530), (4518, 6905)]