1123297840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25391}}^1$

素因数の和:25490

約数の個数: 80

約数和(自身を含む): 3022663680

約数和(自身を除く): 1899365840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 25391, 44240, 50782, 101564, 126955, 177737, 203128, 253910, 355474, 406256, 507820, 710948, 888685, 1015640, 1421896, 1777370, 2005889, 2031280, 2843792, 3554740, 4011778, 7109480, 8023556, 10029445, 14041223, 14218960, 16047112, 20058890, 28082446, 32094224, 40117780, 56164892, 70206115, 80235560, 112329784, 140412230, 160471120, 224659568, 280824460, 561648920, 1123297840]

約数ペア:

[(1, 1123297840), (2, 561648920), (4, 280824460), (5, 224659568), (7, 160471120), (8, 140412230), (10, 112329784), (14, 80235560), (16, 70206115), (20, 56164892), (28, 40117780), (35, 32094224), (40, 28082446), (56, 20058890), (70, 16047112), (79, 14218960), (80, 14041223), (112, 10029445), (140, 8023556), (158, 7109480), (280, 4011778), (316, 3554740), (395, 2843792), (553, 2031280), (560, 2005889), (632, 1777370), (790, 1421896), (1106, 1015640), (1264, 888685), (1580, 710948), (2212, 507820), (2765, 406256), (3160, 355474), (4424, 253910), (5530, 203128), (6320, 177737), (8848, 126955), (11060, 101564), (22120, 50782), (25391, 44240)]