259816640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 112

約数和(自身を含む): 657880320

約数和(自身を除く): 398063680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 151, 152, 160, 190, 283, 302, 304, 320, 380, 566, 604, 608, 755, 760, 1132, 1208, 1216, 1415, 1510, 1520, 2264, 2416, 2830, 2869, 3020, 3040, 4528, 4832, 5377, 5660, 5738, 6040, 6080, 9056, 9664, 10754, 11320, 11476, 12080, 14345, 18112, 21508, 22640, 22952, 24160, 26885, 28690, 42733, 43016, 45280, 45904, 48320, 53770, 57380, 85466, 86032, 90560, 91808, 107540, 114760, 170932, 172064, 183616, 213665, 215080, 229520, 341864, 344128, 427330, 430160, 459040, 683728, 811927, 854660, 860320, 918080, 1367456, 1623854, 1709320, 1720640, 2734912, 3247708, 3418640, 4059635, 6495416, 6837280, 8119270, 12990832, 13674560, 16238540, 25981664, 32477080, 51963328, 64954160, 129908320, 259816640]

約数ペア:

[(1, 259816640), (2, 129908320), (4, 64954160), (5, 51963328), (8, 32477080), (10, 25981664), (16, 16238540), (19, 13674560), (20, 12990832), (32, 8119270), (38, 6837280), (40, 6495416), (64, 4059635), (76, 3418640), (80, 3247708), (95, 2734912), (151, 1720640), (152, 1709320), (160, 1623854), (190, 1367456), (283, 918080), (302, 860320), (304, 854660), (320, 811927), (380, 683728), (566, 459040), (604, 430160), (608, 427330), (755, 344128), (760, 341864), (1132, 229520), (1208, 215080), (1216, 213665), (1415, 183616), (1510, 172064), (1520, 170932), (2264, 114760), (2416, 107540), (2830, 91808), (2869, 90560), (3020, 86032), (3040, 85466), (4528, 57380), (4832, 53770), (5377, 48320), (5660, 45904), (5738, 45280), (6040, 43016), (6080, 42733), (9056, 28690), (9664, 26885), (10754, 24160), (11320, 22952), (11476, 22640), (12080, 21508), (14345, 18112)]