144237440

素因数分解:

$2^7\times 5^1\times {\mathrm{225371}}^1$

素因数の和:225390

約数の個数: 32

約数和(自身を含む): 344819160

約数和(自身を除く): 200581720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 225371, 450742, 901484, 1126855, 1802968, 2253710, 3605936, 4507420, 7211872, 9014840, 14423744, 18029680, 28847488, 36059360, 72118720, 144237440]

約数ペア:

[(1, 144237440), (2, 72118720), (4, 36059360), (5, 28847488), (8, 18029680), (10, 14423744), (16, 9014840), (20, 7211872), (32, 4507420), (40, 3605936), (64, 2253710), (80, 1802968), (128, 1126855), (160, 901484), (320, 450742), (640, 225371)]