198595320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21493}}^1$

素因数の和:21525

約数の個数: 128

約数和(自身を含む): 742832640

約数和(自身を除く): 544237320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 21493, 42986, 64479, 85972, 107465, 128958, 150451, 171944, 214930, 236423, 257916, 300902, 322395, 429860, 451353, 472846, 515832, 601804, 644790, 709269, 752255, 859720, 902706, 945692, 1182115, 1203608, 1289580, 1418538, 1504510, 1654961, 1805412, 1891384, 2256765, 2364230, 2579160, 2837076, 3009020, 3309922, 3546345, 3610824, 4513530, 4728460, 4964883, 5674152, 6018040, 6619844, 7092690, 8274805, 9027060, 9456920, 9929766, 13239688, 14185380, 16549610, 18054120, 19859532, 24824415, 28370760, 33099220, 39719064, 49648830, 66198440, 99297660, 198595320]

約数ペア:

[(1, 198595320), (2, 99297660), (3, 66198440), (4, 49648830), (5, 39719064), (6, 33099220), (7, 28370760), (8, 24824415), (10, 19859532), (11, 18054120), (12, 16549610), (14, 14185380), (15, 13239688), (20, 9929766), (21, 9456920), (22, 9027060), (24, 8274805), (28, 7092690), (30, 6619844), (33, 6018040), (35, 5674152), (40, 4964883), (42, 4728460), (44, 4513530), (55, 3610824), (56, 3546345), (60, 3309922), (66, 3009020), (70, 2837076), (77, 2579160), (84, 2364230), (88, 2256765), (105, 1891384), (110, 1805412), (120, 1654961), (132, 1504510), (140, 1418538), (154, 1289580), (165, 1203608), (168, 1182115), (210, 945692), (220, 902706), (231, 859720), (264, 752255), (280, 709269), (308, 644790), (330, 601804), (385, 515832), (420, 472846), (440, 451353), (462, 429860), (616, 322395), (660, 300902), (770, 257916), (840, 236423), (924, 214930), (1155, 171944), (1320, 150451), (1540, 128958), (1848, 107465), (2310, 85972), (3080, 64479), (4620, 42986), (9240, 21493)]