399171840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{103951}}^1$

素因数の和:103975

約数の個数: 72

約数和(自身を含む): 1274867328

約数和(自身を除く): 875695488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 103951, 207902, 311853, 415804, 519755, 623706, 831608, 1039510, 1247412, 1559265, 1663216, 2079020, 2494824, 3118530, 3326432, 4158040, 4989648, 6237060, 6652864, 8316080, 9979296, 12474120, 13305728, 16632160, 19958592, 24948240, 26611456, 33264320, 39917184, 49896480, 66528640, 79834368, 99792960, 133057280, 199585920, 399171840]

約数ペア:

[(1, 399171840), (2, 199585920), (3, 133057280), (4, 99792960), (5, 79834368), (6, 66528640), (8, 49896480), (10, 39917184), (12, 33264320), (15, 26611456), (16, 24948240), (20, 19958592), (24, 16632160), (30, 13305728), (32, 12474120), (40, 9979296), (48, 8316080), (60, 6652864), (64, 6237060), (80, 4989648), (96, 4158040), (120, 3326432), (128, 3118530), (160, 2494824), (192, 2079020), (240, 1663216), (256, 1559265), (320, 1247412), (384, 1039510), (480, 831608), (640, 623706), (768, 519755), (960, 415804), (1280, 311853), (1920, 207902), (3840, 103951)]