281957940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142403}}^1$

素因数の和:142429

約数の個数: 72

約数和(自身を含む): 933031008

約数和(自身を除く): 651073068

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, 142403, 284806, 427209, 569612, 712015, 854418, 1281627, 1424030, 1566433, 1708836, 2136045, 2563254, 2848060, 3132866, 4272090, 4699299, 5126508, 6265732, 6408135, 7832165, 8544180, 9398598, 12816270, 14097897, 15664330, 18797196, 23496495, 25632540, 28195794, 31328660, 46992990, 56391588, 70489485, 93985980, 140978970, 281957940]

約数ペア:

[(1, 281957940), (2, 140978970), (3, 93985980), (4, 70489485), (5, 56391588), (6, 46992990), (9, 31328660), (10, 28195794), (11, 25632540), (12, 23496495), (15, 18797196), (18, 15664330), (20, 14097897), (22, 12816270), (30, 9398598), (33, 8544180), (36, 7832165), (44, 6408135), (45, 6265732), (55, 5126508), (60, 4699299), (66, 4272090), (90, 3132866), (99, 2848060), (110, 2563254), (132, 2136045), (165, 1708836), (180, 1566433), (198, 1424030), (220, 1281627), (330, 854418), (396, 712015), (495, 569612), (660, 427209), (990, 284806), (1980, 142403)]