81556290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15359}}^1$

素因数の和:15431

約数の個数: 48

約数和(自身を含む): 215654400

約数和(自身を除く): 134098110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 531, 590, 885, 1062, 1770, 2655, 5310, 15359, 30718, 46077, 76795, 92154, 138231, 153590, 230385, 276462, 460770, 691155, 906181, 1382310, 1812362, 2718543, 4530905, 5437086, 8155629, 9061810, 13592715, 16311258, 27185430, 40778145, 81556290]

約数ペア:

[(1, 81556290), (2, 40778145), (3, 27185430), (5, 16311258), (6, 13592715), (9, 9061810), (10, 8155629), (15, 5437086), (18, 4530905), (30, 2718543), (45, 1812362), (59, 1382310), (90, 906181), (118, 691155), (177, 460770), (295, 276462), (354, 230385), (531, 153590), (590, 138231), (885, 92154), (1062, 76795), (1770, 46077), (2655, 30718), (5310, 15359)]