128767440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{536531}}^1$

素因数の和:536547

約数の個数: 40

約数和(自身を含む): 399179808

約数和(自身を除く): 270412368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 536531, 1073062, 1609593, 2146124, 2682655, 3219186, 4292248, 5365310, 6438372, 8047965, 8584496, 10730620, 12876744, 16095930, 21461240, 25753488, 32191860, 42922480, 64383720, 128767440]

約数ペア:

[(1, 128767440), (2, 64383720), (3, 42922480), (4, 32191860), (5, 25753488), (6, 21461240), (8, 16095930), (10, 12876744), (12, 10730620), (15, 8584496), (16, 8047965), (20, 6438372), (24, 5365310), (30, 4292248), (40, 3219186), (48, 2682655), (60, 2146124), (80, 1609593), (120, 1073062), (240, 536531)]