81371304

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{17939}}^1$

素因数の和:17964

約数の個数: 80

約数和(自身を含む): 260488800

約数和(自身を除く): 179117496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4536, 17939, 35878, 53817, 71756, 107634, 125573, 143512, 161451, 215268, 251146, 322902, 376719, 430536, 484353, 502292, 645804, 753438, 968706, 1004584, 1130157, 1291608, 1453059, 1506876, 1937412, 2260314, 2906118, 3013752, 3390471, 3874824, 4520628, 5812236, 6780942, 9041256, 10171413, 11624472, 13561884, 20342826, 27123768, 40685652, 81371304]

約数ペア:

[(1, 81371304), (2, 40685652), (3, 27123768), (4, 20342826), (6, 13561884), (7, 11624472), (8, 10171413), (9, 9041256), (12, 6780942), (14, 5812236), (18, 4520628), (21, 3874824), (24, 3390471), (27, 3013752), (28, 2906118), (36, 2260314), (42, 1937412), (54, 1506876), (56, 1453059), (63, 1291608), (72, 1130157), (81, 1004584), (84, 968706), (108, 753438), (126, 645804), (162, 502292), (168, 484353), (189, 430536), (216, 376719), (252, 322902), (324, 251146), (378, 215268), (504, 161451), (567, 143512), (648, 125573), (756, 107634), (1134, 71756), (1512, 53817), (2268, 35878), (4536, 17939)]