406690020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205399}}^1$

素因数の和:205425

約数の個数: 72

約数和(自身を含む): 1345780800

約数和(自身を除く): 939090780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 205399, 410798, 616197, 821596, 1026995, 1232394, 1848591, 2053990, 2259389, 2464788, 3080985, 3697182, 4107980, 4518778, 6161970, 6778167, 7394364, 9037556, 9242955, 11296945, 12323940, 13556334, 18485910, 20334501, 22593890, 27112668, 33890835, 36971820, 40669002, 45187780, 67781670, 81338004, 101672505, 135563340, 203345010, 406690020]

約数ペア:

[(1, 406690020), (2, 203345010), (3, 135563340), (4, 101672505), (5, 81338004), (6, 67781670), (9, 45187780), (10, 40669002), (11, 36971820), (12, 33890835), (15, 27112668), (18, 22593890), (20, 20334501), (22, 18485910), (30, 13556334), (33, 12323940), (36, 11296945), (44, 9242955), (45, 9037556), (55, 7394364), (60, 6778167), (66, 6161970), (90, 4518778), (99, 4107980), (110, 3697182), (132, 3080985), (165, 2464788), (180, 2259389), (198, 2053990), (220, 1848591), (330, 1232394), (396, 1026995), (495, 821596), (660, 616197), (990, 410798), (1980, 205399)]