316260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 1100736

約数和(自身を除く): 784476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 630, 753, 1004, 1255, 1260, 1506, 1757, 2259, 2510, 3012, 3514, 3765, 4518, 5020, 5271, 7028, 7530, 8785, 9036, 10542, 11295, 15060, 15813, 17570, 21084, 22590, 26355, 31626, 35140, 45180, 52710, 63252, 79065, 105420, 158130, 316260]

約数ペア:

[(1, 316260), (2, 158130), (3, 105420), (4, 79065), (5, 63252), (6, 52710), (7, 45180), (9, 35140), (10, 31626), (12, 26355), (14, 22590), (15, 21084), (18, 17570), (20, 15813), (21, 15060), (28, 11295), (30, 10542), (35, 9036), (36, 8785), (42, 7530), (45, 7028), (60, 5271), (63, 5020), (70, 4518), (84, 3765), (90, 3514), (105, 3012), (126, 2510), (140, 2259), (180, 1757), (210, 1506), (251, 1260), (252, 1255), (315, 1004), (420, 753), (502, 630)]