12257840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 34350480

約数和(自身を除く): 22092640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 59, 70, 80, 98, 106, 112, 118, 140, 196, 212, 236, 245, 265, 280, 295, 371, 392, 413, 424, 472, 490, 530, 560, 590, 742, 784, 826, 848, 944, 980, 1060, 1180, 1484, 1652, 1855, 1960, 2065, 2120, 2360, 2597, 2891, 2968, 3127, 3304, 3710, 3920, 4130, 4240, 4720, 5194, 5782, 5936, 6254, 6608, 7420, 8260, 10388, 11564, 12508, 12985, 14455, 14840, 15635, 16520, 20776, 21889, 23128, 25016, 25970, 28910, 29680, 31270, 33040, 41552, 43778, 46256, 50032, 51940, 57820, 62540, 87556, 103880, 109445, 115640, 125080, 153223, 175112, 207760, 218890, 231280, 250160, 306446, 350224, 437780, 612892, 766115, 875560, 1225784, 1532230, 1751120, 2451568, 3064460, 6128920, 12257840]

約数ペア:

[(1, 12257840), (2, 6128920), (4, 3064460), (5, 2451568), (7, 1751120), (8, 1532230), (10, 1225784), (14, 875560), (16, 766115), (20, 612892), (28, 437780), (35, 350224), (40, 306446), (49, 250160), (53, 231280), (56, 218890), (59, 207760), (70, 175112), (80, 153223), (98, 125080), (106, 115640), (112, 109445), (118, 103880), (140, 87556), (196, 62540), (212, 57820), (236, 51940), (245, 50032), (265, 46256), (280, 43778), (295, 41552), (371, 33040), (392, 31270), (413, 29680), (424, 28910), (472, 25970), (490, 25016), (530, 23128), (560, 21889), (590, 20776), (742, 16520), (784, 15635), (826, 14840), (848, 14455), (944, 12985), (980, 12508), (1060, 11564), (1180, 10388), (1484, 8260), (1652, 7420), (1855, 6608), (1960, 6254), (2065, 5936), (2120, 5782), (2360, 5194), (2597, 4720), (2891, 4240), (2968, 4130), (3127, 3920), (3304, 3710)]