12391120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 34986600

約数和(自身を除く): 22595480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 109, 112, 116, 140, 145, 196, 203, 218, 232, 245, 280, 290, 392, 406, 436, 464, 490, 545, 560, 580, 763, 784, 812, 872, 980, 1015, 1090, 1160, 1421, 1526, 1624, 1744, 1960, 2030, 2180, 2320, 2842, 3052, 3161, 3248, 3815, 3920, 4060, 4360, 5341, 5684, 6104, 6322, 7105, 7630, 8120, 8720, 10682, 11368, 12208, 12644, 14210, 15260, 15805, 16240, 21364, 22127, 22736, 25288, 26705, 28420, 30520, 31610, 42728, 44254, 50576, 53410, 56840, 61040, 63220, 85456, 88508, 106820, 110635, 113680, 126440, 154889, 177016, 213640, 221270, 252880, 309778, 354032, 427280, 442540, 619556, 774445, 885080, 1239112, 1548890, 1770160, 2478224, 3097780, 6195560, 12391120]

約数ペア:

[(1, 12391120), (2, 6195560), (4, 3097780), (5, 2478224), (7, 1770160), (8, 1548890), (10, 1239112), (14, 885080), (16, 774445), (20, 619556), (28, 442540), (29, 427280), (35, 354032), (40, 309778), (49, 252880), (56, 221270), (58, 213640), (70, 177016), (80, 154889), (98, 126440), (109, 113680), (112, 110635), (116, 106820), (140, 88508), (145, 85456), (196, 63220), (203, 61040), (218, 56840), (232, 53410), (245, 50576), (280, 44254), (290, 42728), (392, 31610), (406, 30520), (436, 28420), (464, 26705), (490, 25288), (545, 22736), (560, 22127), (580, 21364), (763, 16240), (784, 15805), (812, 15260), (872, 14210), (980, 12644), (1015, 12208), (1090, 11368), (1160, 10682), (1421, 8720), (1526, 8120), (1624, 7630), (1744, 7105), (1960, 6322), (2030, 6104), (2180, 5684), (2320, 5341), (2842, 4360), (3052, 4060), (3161, 3920), (3248, 3815)]