31156128

素因数分解:

$2^5\times 3^2\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:698

約数の個数: 72

約数和(自身を含む): 89159616

約数和(自身を除く): 58003488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 251, 288, 431, 502, 753, 862, 1004, 1293, 1506, 1724, 2008, 2259, 2586, 3012, 3448, 3879, 4016, 4518, 5172, 6024, 6896, 7758, 8032, 9036, 10344, 12048, 13792, 15516, 18072, 20688, 24096, 31032, 36144, 41376, 62064, 72288, 108181, 124128, 216362, 324543, 432724, 649086, 865448, 973629, 1298172, 1730896, 1947258, 2596344, 3461792, 3894516, 5192688, 7789032, 10385376, 15578064, 31156128]

約数ペア:

[(1, 31156128), (2, 15578064), (3, 10385376), (4, 7789032), (6, 5192688), (8, 3894516), (9, 3461792), (12, 2596344), (16, 1947258), (18, 1730896), (24, 1298172), (32, 973629), (36, 865448), (48, 649086), (72, 432724), (96, 324543), (144, 216362), (251, 124128), (288, 108181), (431, 72288), (502, 62064), (753, 41376), (862, 36144), (1004, 31032), (1293, 24096), (1506, 20688), (1724, 18072), (2008, 15516), (2259, 13792), (2586, 12048), (3012, 10344), (3448, 9036), (3879, 8032), (4016, 7758), (4518, 6896), (5172, 6024)]