81154140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1163}}^2$

素因数の和:2338

約数の個数: 36

約数和(自身を含む): 227427144

約数和(自身を除く): 146273004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1163, 2326, 3489, 4652, 5815, 6978, 11630, 13956, 17445, 23260, 34890, 69780, 1352569, 2705138, 4057707, 5410276, 6762845, 8115414, 13525690, 16230828, 20288535, 27051380, 40577070, 81154140]

約数ペア:

[(1, 81154140), (2, 40577070), (3, 27051380), (4, 20288535), (5, 16230828), (6, 13525690), (10, 8115414), (12, 6762845), (15, 5410276), (20, 4057707), (30, 2705138), (60, 1352569), (1163, 69780), (2326, 34890), (3489, 23260), (4652, 17445), (5815, 13956), (6978, 11630)]