399068160

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{25981}}^1$

素因数の和:26009

約数の個数: 88

約数和(自身を含む): 1276443696

約数和(自身を除く): 877375536

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, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 25981, 51962, 77943, 103924, 129905, 155886, 207848, 259810, 311772, 389715, 415696, 519620, 623544, 779430, 831392, 1039240, 1247088, 1558860, 1662784, 2078480, 2494176, 3117720, 3325568, 4156960, 4988352, 6235440, 6651136, 8313920, 9976704, 12470880, 13302272, 16627840, 19953408, 24941760, 26604544, 33255680, 39906816, 49883520, 66511360, 79813632, 99767040, 133022720, 199534080, 399068160]

約数ペア:

[(1, 399068160), (2, 199534080), (3, 133022720), (4, 99767040), (5, 79813632), (6, 66511360), (8, 49883520), (10, 39906816), (12, 33255680), (15, 26604544), (16, 24941760), (20, 19953408), (24, 16627840), (30, 13302272), (32, 12470880), (40, 9976704), (48, 8313920), (60, 6651136), (64, 6235440), (80, 4988352), (96, 4156960), (120, 3325568), (128, 3117720), (160, 2494176), (192, 2078480), (240, 1662784), (256, 1558860), (320, 1247088), (384, 1039240), (480, 831392), (512, 779430), (640, 623544), (768, 519620), (960, 415696), (1024, 389715), (1280, 311772), (1536, 259810), (1920, 207848), (2560, 155886), (3072, 129905), (3840, 103924), (5120, 77943), (7680, 51962), (15360, 25981)]