181206720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{6991}}^1$

素因数の和:7020

約数の個数: 140

約数和(自身を含む): 644676384

約数和(自身を除く): 463469664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 6991, 8640, 12960, 13982, 20973, 25920, 27964, 34955, 41946, 55928, 62919, 69910, 83892, 104865, 111856, 125838, 139820, 167784, 188757, 209730, 223712, 251676, 279640, 314595, 335568, 377514, 419460, 447424, 503352, 559280, 566271, 629190, 671136, 755028, 838920, 943785, 1006704, 1118560, 1132542, 1258380, 1342272, 1510056, 1677840, 1887570, 2013408, 2237120, 2265084, 2516760, 2831355, 3020112, 3355680, 3775140, 4026816, 4530168, 5033520, 5662710, 6040224, 6711360, 7550280, 9060336, 10067040, 11325420, 12080448, 15100560, 18120672, 20134080, 22650840, 30201120, 36241344, 45301680, 60402240, 90603360, 181206720]

約数ペア:

[(1, 181206720), (2, 90603360), (3, 60402240), (4, 45301680), (5, 36241344), (6, 30201120), (8, 22650840), (9, 20134080), (10, 18120672), (12, 15100560), (15, 12080448), (16, 11325420), (18, 10067040), (20, 9060336), (24, 7550280), (27, 6711360), (30, 6040224), (32, 5662710), (36, 5033520), (40, 4530168), (45, 4026816), (48, 3775140), (54, 3355680), (60, 3020112), (64, 2831355), (72, 2516760), (80, 2265084), (81, 2237120), (90, 2013408), (96, 1887570), (108, 1677840), (120, 1510056), (135, 1342272), (144, 1258380), (160, 1132542), (162, 1118560), (180, 1006704), (192, 943785), (216, 838920), (240, 755028), (270, 671136), (288, 629190), (320, 566271), (324, 559280), (360, 503352), (405, 447424), (432, 419460), (480, 377514), (540, 335568), (576, 314595), (648, 279640), (720, 251676), (810, 223712), (864, 209730), (960, 188757), (1080, 167784), (1296, 139820), (1440, 125838), (1620, 111856), (1728, 104865), (2160, 83892), (2592, 69910), (2880, 62919), (3240, 55928), (4320, 41946), (5184, 34955), (6480, 27964), (6991, 25920), (8640, 20973), (12960, 13982)]