155998720

素因数分解:

$2^9\times 5^1\times {\mathrm{60937}}^1$

素因数の和:60960

約数の個数: 40

約数和(自身を含む): 374037444

約数和(自身を除く): 218038724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 60937, 121874, 243748, 304685, 487496, 609370, 974992, 1218740, 1949984, 2437480, 3899968, 4874960, 7799936, 9749920, 15599872, 19499840, 31199744, 38999680, 77999360, 155998720]

約数ペア:

[(1, 155998720), (2, 77999360), (4, 38999680), (5, 31199744), (8, 19499840), (10, 15599872), (16, 9749920), (20, 7799936), (32, 4874960), (40, 3899968), (64, 2437480), (80, 1949984), (128, 1218740), (160, 974992), (256, 609370), (320, 487496), (512, 304685), (640, 243748), (1280, 121874), (2560, 60937)]