1999841280

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{65099}}^1$

素因数の和:65129

約数の個数: 96

約数和(自身を含む): 6398028000

約数和(自身を除く): 4398186720

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, 2048, 2560, 3072, 3840, 5120, 6144, 7680, 10240, 15360, 30720, 65099, 130198, 195297, 260396, 325495, 390594, 520792, 650990, 781188, 976485, 1041584, 1301980, 1562376, 1952970, 2083168, 2603960, 3124752, 3905940, 4166336, 5207920, 6249504, 7811880, 8332672, 10415840, 12499008, 15623760, 16665344, 20831680, 24998016, 31247520, 33330688, 41663360, 49996032, 62495040, 66661376, 83326720, 99992064, 124990080, 133322752, 166653440, 199984128, 249980160, 333306880, 399968256, 499960320, 666613760, 999920640, 1999841280]

約数ペア:

[(1, 1999841280), (2, 999920640), (3, 666613760), (4, 499960320), (5, 399968256), (6, 333306880), (8, 249980160), (10, 199984128), (12, 166653440), (15, 133322752), (16, 124990080), (20, 99992064), (24, 83326720), (30, 66661376), (32, 62495040), (40, 49996032), (48, 41663360), (60, 33330688), (64, 31247520), (80, 24998016), (96, 20831680), (120, 16665344), (128, 15623760), (160, 12499008), (192, 10415840), (240, 8332672), (256, 7811880), (320, 6249504), (384, 5207920), (480, 4166336), (512, 3905940), (640, 3124752), (768, 2603960), (960, 2083168), (1024, 1952970), (1280, 1562376), (1536, 1301980), (1920, 1041584), (2048, 976485), (2560, 781188), (3072, 650990), (3840, 520792), (5120, 390594), (6144, 325495), (7680, 260396), (10240, 195297), (15360, 130198), (30720, 65099)]