143064640

素因数分解:

$2^6\times 5^1\times {\mathrm{647}}^1\times {\mathrm{691}}^1$

素因数の和:1355

約数の個数: 56

約数和(自身を含む): 341692992

約数和(自身を除く): 198628352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 647, 691, 1294, 1382, 2588, 2764, 3235, 3455, 5176, 5528, 6470, 6910, 10352, 11056, 12940, 13820, 20704, 22112, 25880, 27640, 41408, 44224, 51760, 55280, 103520, 110560, 207040, 221120, 447077, 894154, 1788308, 2235385, 3576616, 4470770, 7153232, 8941540, 14306464, 17883080, 28612928, 35766160, 71532320, 143064640]

約数ペア:

[(1, 143064640), (2, 71532320), (4, 35766160), (5, 28612928), (8, 17883080), (10, 14306464), (16, 8941540), (20, 7153232), (32, 4470770), (40, 3576616), (64, 2235385), (80, 1788308), (160, 894154), (320, 447077), (647, 221120), (691, 207040), (1294, 110560), (1382, 103520), (2588, 55280), (2764, 51760), (3235, 44224), (3455, 41408), (5176, 27640), (5528, 25880), (6470, 22112), (6910, 20704), (10352, 13820), (11056, 12940)]