81355752

素因数分解:

$2^3\times 3^4\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 229299840

約数和(自身を除く): 147944088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 223, 324, 446, 563, 648, 669, 892, 1126, 1338, 1689, 1784, 2007, 2252, 2676, 3378, 4014, 4504, 5067, 5352, 6021, 6756, 8028, 10134, 12042, 13512, 15201, 16056, 18063, 20268, 24084, 30402, 36126, 40536, 45603, 48168, 60804, 72252, 91206, 121608, 125549, 144504, 182412, 251098, 364824, 376647, 502196, 753294, 1004392, 1129941, 1506588, 2259882, 3013176, 3389823, 4519764, 6779646, 9039528, 10169469, 13559292, 20338938, 27118584, 40677876, 81355752]

約数ペア:

[(1, 81355752), (2, 40677876), (3, 27118584), (4, 20338938), (6, 13559292), (8, 10169469), (9, 9039528), (12, 6779646), (18, 4519764), (24, 3389823), (27, 3013176), (36, 2259882), (54, 1506588), (72, 1129941), (81, 1004392), (108, 753294), (162, 502196), (216, 376647), (223, 364824), (324, 251098), (446, 182412), (563, 144504), (648, 125549), (669, 121608), (892, 91206), (1126, 72252), (1338, 60804), (1689, 48168), (1784, 45603), (2007, 40536), (2252, 36126), (2676, 30402), (3378, 24084), (4014, 20268), (4504, 18063), (5067, 16056), (5352, 15201), (6021, 13512), (6756, 12042), (8028, 10134)]