121220520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21493}}^1$

素因数の和:21554

約数の個数: 64

約数和(自身を含む): 371416320

約数和(自身を除く): 250195800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 21493, 42986, 64479, 85972, 107465, 128958, 171944, 214930, 257916, 322395, 429860, 515832, 644790, 859720, 1010171, 1289580, 2020342, 2579160, 3030513, 4040684, 5050855, 6061026, 8081368, 10101710, 12122052, 15152565, 20203420, 24244104, 30305130, 40406840, 60610260, 121220520]

約数ペア:

[(1, 121220520), (2, 60610260), (3, 40406840), (4, 30305130), (5, 24244104), (6, 20203420), (8, 15152565), (10, 12122052), (12, 10101710), (15, 8081368), (20, 6061026), (24, 5050855), (30, 4040684), (40, 3030513), (47, 2579160), (60, 2020342), (94, 1289580), (120, 1010171), (141, 859720), (188, 644790), (235, 515832), (282, 429860), (376, 322395), (470, 257916), (564, 214930), (705, 171944), (940, 128958), (1128, 107465), (1410, 85972), (1880, 64479), (2820, 42986), (5640, 21493)]