81468324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 236250560

約数和(自身を除く): 154782236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 379, 758, 853, 1137, 1516, 1706, 2274, 2559, 2653, 3411, 3412, 4548, 5118, 5306, 5971, 6822, 7677, 7959, 10236, 10612, 11942, 13644, 15354, 15918, 17913, 23877, 23884, 30708, 31836, 35826, 47754, 53739, 71652, 95508, 107478, 214956, 323287, 646574, 969861, 1293148, 1939722, 2263009, 2909583, 3879444, 4526018, 5819166, 6789027, 9052036, 11638332, 13578054, 20367081, 27156108, 40734162, 81468324]

約数ペア:

[(1, 81468324), (2, 40734162), (3, 27156108), (4, 20367081), (6, 13578054), (7, 11638332), (9, 9052036), (12, 6789027), (14, 5819166), (18, 4526018), (21, 3879444), (28, 2909583), (36, 2263009), (42, 1939722), (63, 1293148), (84, 969861), (126, 646574), (252, 323287), (379, 214956), (758, 107478), (853, 95508), (1137, 71652), (1516, 53739), (1706, 47754), (2274, 35826), (2559, 31836), (2653, 30708), (3411, 23884), (3412, 23877), (4548, 17913), (5118, 15918), (5306, 15354), (5971, 13644), (6822, 11942), (7677, 10612), (7959, 10236)]