21205488960

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{818113}}^1$

素因数の和:818142

約数の個数: 140

約数和(自身を含む): 75431747028

約数和(自身を除く): 54226258068

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, 8640, 12960, 25920, 818113, 1636226, 2454339, 3272452, 4090565, 4908678, 6544904, 7363017, 8181130, 9817356, 12271695, 13089808, 14726034, 16362260, 19634712, 22089051, 24543390, 26179616, 29452068, 32724520, 36815085, 39269424, 44178102, 49086780, 52359232, 58904136, 65449040, 66267153, 73630170, 78538848, 88356204, 98173560, 110445255, 117808272, 130898080, 132534306, 147260340, 157077696, 176712408, 196347120, 220890510, 235616544, 261796160, 265068612, 294520680, 331335765, 353424816, 392694240, 441781020, 471233088, 530137224, 589041360, 662671530, 706849632, 785388480, 883562040, 1060274448, 1178082720, 1325343060, 1413699264, 1767124080, 2120548896, 2356165440, 2650686120, 3534248160, 4241097792, 5301372240, 7068496320, 10602744480, 21205488960]

約数ペア:

[(1, 21205488960), (2, 10602744480), (3, 7068496320), (4, 5301372240), (5, 4241097792), (6, 3534248160), (8, 2650686120), (9, 2356165440), (10, 2120548896), (12, 1767124080), (15, 1413699264), (16, 1325343060), (18, 1178082720), (20, 1060274448), (24, 883562040), (27, 785388480), (30, 706849632), (32, 662671530), (36, 589041360), (40, 530137224), (45, 471233088), (48, 441781020), (54, 392694240), (60, 353424816), (64, 331335765), (72, 294520680), (80, 265068612), (81, 261796160), (90, 235616544), (96, 220890510), (108, 196347120), (120, 176712408), (135, 157077696), (144, 147260340), (160, 132534306), (162, 130898080), (180, 117808272), (192, 110445255), (216, 98173560), (240, 88356204), (270, 78538848), (288, 73630170), (320, 66267153), (324, 65449040), (360, 58904136), (405, 52359232), (432, 49086780), (480, 44178102), (540, 39269424), (576, 36815085), (648, 32724520), (720, 29452068), (810, 26179616), (864, 24543390), (960, 22089051), (1080, 19634712), (1296, 16362260), (1440, 14726034), (1620, 13089808), (1728, 12271695), (2160, 9817356), (2592, 8181130), (2880, 7363017), (3240, 6544904), (4320, 4908678), (5184, 4090565), (6480, 3272452), (8640, 2454339), (12960, 1636226), (25920, 818113)]