20154394080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1555123}}^1$

素因数の和:1555150

約数の個数: 120

約数和(自身を含む): 71128261512

約数和(自身を除く): 50973867432

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 1555123, 3110246, 4665369, 6220492, 7775615, 9330738, 12440984, 13996107, 15551230, 18661476, 23326845, 24881968, 27992214, 31102460, 37322952, 41988321, 46653690, 49763936, 55984428, 62204920, 69980535, 74645904, 83976642, 93307380, 111968856, 124409840, 125964963, 139961070, 149291808, 167953284, 186614760, 209941605, 223937712, 248819680, 251929926, 279922140, 335906568, 373229520, 419883210, 447875424, 503859852, 559844280, 629824815, 671813136, 746459040, 839766420, 1007719704, 1119688560, 1259649630, 1343626272, 1679532840, 2015439408, 2239377120, 2519299260, 3359065680, 4030878816, 5038598520, 6718131360, 10077197040, 20154394080]

約数ペア:

[(1, 20154394080), (2, 10077197040), (3, 6718131360), (4, 5038598520), (5, 4030878816), (6, 3359065680), (8, 2519299260), (9, 2239377120), (10, 2015439408), (12, 1679532840), (15, 1343626272), (16, 1259649630), (18, 1119688560), (20, 1007719704), (24, 839766420), (27, 746459040), (30, 671813136), (32, 629824815), (36, 559844280), (40, 503859852), (45, 447875424), (48, 419883210), (54, 373229520), (60, 335906568), (72, 279922140), (80, 251929926), (81, 248819680), (90, 223937712), (96, 209941605), (108, 186614760), (120, 167953284), (135, 149291808), (144, 139961070), (160, 125964963), (162, 124409840), (180, 111968856), (216, 93307380), (240, 83976642), (270, 74645904), (288, 69980535), (324, 62204920), (360, 55984428), (405, 49763936), (432, 46653690), (480, 41988321), (540, 37322952), (648, 31102460), (720, 27992214), (810, 24881968), (864, 23326845), (1080, 18661476), (1296, 15551230), (1440, 13996107), (1620, 12440984), (2160, 9330738), (2592, 7775615), (3240, 6220492), (4320, 4665369), (6480, 3110246), (12960, 1555123)]