56394540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1811}}^1$

素因数の和:1999

約数の個数: 72

約数和(自身を含む): 172147248

約数和(自身を除く): 115752708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 1811, 2076, 2595, 3114, 3460, 3622, 5190, 5433, 6228, 7244, 7785, 9055, 10380, 10866, 15570, 16299, 18110, 21732, 27165, 31140, 32598, 36220, 54330, 65196, 81495, 108660, 162990, 313303, 325980, 626606, 939909, 1253212, 1566515, 1879818, 2819727, 3133030, 3759636, 4699545, 5639454, 6266060, 9399090, 11278908, 14098635, 18798180, 28197270, 56394540]

約数ペア:

[(1, 56394540), (2, 28197270), (3, 18798180), (4, 14098635), (5, 11278908), (6, 9399090), (9, 6266060), (10, 5639454), (12, 4699545), (15, 3759636), (18, 3133030), (20, 2819727), (30, 1879818), (36, 1566515), (45, 1253212), (60, 939909), (90, 626606), (173, 325980), (180, 313303), (346, 162990), (519, 108660), (692, 81495), (865, 65196), (1038, 54330), (1557, 36220), (1730, 32598), (1811, 31140), (2076, 27165), (2595, 21732), (3114, 18110), (3460, 16299), (3622, 15570), (5190, 10866), (5433, 10380), (6228, 9055), (7244, 7785)]