251742720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{32779}}^1$

素因数の和:32805

約数の個数: 80

約数和(自身を含む): 804814560

約数和(自身を除く): 553071840

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, 1280, 1536, 1920, 2560, 3840, 7680, 32779, 65558, 98337, 131116, 163895, 196674, 262232, 327790, 393348, 491685, 524464, 655580, 786696, 983370, 1048928, 1311160, 1573392, 1966740, 2097856, 2622320, 3146784, 3933480, 4195712, 5244640, 6293568, 7866960, 8391424, 10489280, 12587136, 15733920, 16782848, 20978560, 25174272, 31467840, 41957120, 50348544, 62935680, 83914240, 125871360, 251742720]

約数ペア:

[(1, 251742720), (2, 125871360), (3, 83914240), (4, 62935680), (5, 50348544), (6, 41957120), (8, 31467840), (10, 25174272), (12, 20978560), (15, 16782848), (16, 15733920), (20, 12587136), (24, 10489280), (30, 8391424), (32, 7866960), (40, 6293568), (48, 5244640), (60, 4195712), (64, 3933480), (80, 3146784), (96, 2622320), (120, 2097856), (128, 1966740), (160, 1573392), (192, 1311160), (240, 1048928), (256, 983370), (320, 786696), (384, 655580), (480, 524464), (512, 491685), (640, 393348), (768, 327790), (960, 262232), (1280, 196674), (1536, 163895), (1920, 131116), (2560, 98337), (3840, 65558), (7680, 32779)]