156729280

素因数分解:

$2^6\times 5^1\times {\mathrm{647}}^1\times {\mathrm{757}}^1$

素因数の和:1421

約数の個数: 56

約数和(自身を含む): 374282208

約数和(自身を除く): 217552928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 647, 757, 1294, 1514, 2588, 3028, 3235, 3785, 5176, 6056, 6470, 7570, 10352, 12112, 12940, 15140, 20704, 24224, 25880, 30280, 41408, 48448, 51760, 60560, 103520, 121120, 207040, 242240, 489779, 979558, 1959116, 2448895, 3918232, 4897790, 7836464, 9795580, 15672928, 19591160, 31345856, 39182320, 78364640, 156729280]

約数ペア:

[(1, 156729280), (2, 78364640), (4, 39182320), (5, 31345856), (8, 19591160), (10, 15672928), (16, 9795580), (20, 7836464), (32, 4897790), (40, 3918232), (64, 2448895), (80, 1959116), (160, 979558), (320, 489779), (647, 242240), (757, 207040), (1294, 121120), (1514, 103520), (2588, 60560), (3028, 51760), (3235, 48448), (3785, 41408), (5176, 30280), (6056, 25880), (6470, 24224), (7570, 20704), (10352, 15140), (12112, 12940)]