221292720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27941}}^1$

素因数の和:27971

約数の個数: 120

約数和(自身を含む): 810765072

約数和(自身を除く): 589472352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 27941, 55882, 83823, 111764, 139705, 167646, 223528, 251469, 279410, 307351, 335292, 419115, 447056, 502938, 558820, 614702, 670584, 838230, 922053, 1005876, 1117640, 1229404, 1257345, 1341168, 1536755, 1676460, 1844106, 2011752, 2235280, 2458808, 2514690, 2766159, 3073510, 3352920, 3688212, 4023504, 4610265, 4917616, 5029380, 5532318, 6147020, 6705840, 7376424, 9220530, 10058760, 11064636, 12294040, 13830795, 14752848, 18441060, 20117520, 22129272, 24588080, 27661590, 36882120, 44258544, 55323180, 73764240, 110646360, 221292720]

約数ペア:

[(1, 221292720), (2, 110646360), (3, 73764240), (4, 55323180), (5, 44258544), (6, 36882120), (8, 27661590), (9, 24588080), (10, 22129272), (11, 20117520), (12, 18441060), (15, 14752848), (16, 13830795), (18, 12294040), (20, 11064636), (22, 10058760), (24, 9220530), (30, 7376424), (33, 6705840), (36, 6147020), (40, 5532318), (44, 5029380), (45, 4917616), (48, 4610265), (55, 4023504), (60, 3688212), (66, 3352920), (72, 3073510), (80, 2766159), (88, 2514690), (90, 2458808), (99, 2235280), (110, 2011752), (120, 1844106), (132, 1676460), (144, 1536755), (165, 1341168), (176, 1257345), (180, 1229404), (198, 1117640), (220, 1005876), (240, 922053), (264, 838230), (330, 670584), (360, 614702), (396, 558820), (440, 502938), (495, 447056), (528, 419115), (660, 335292), (720, 307351), (792, 279410), (880, 251469), (990, 223528), (1320, 167646), (1584, 139705), (1980, 111764), (2640, 83823), (3960, 55882), (7920, 27941)]