21646855.000000000

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{5051}}^1$

素因数の和:5081

約数の個数: 144

約数和(自身を含む): 695114784

約数和(自身を除く): 498731904

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 5051, 6480, 7776, 9720, 10102, 12960, 15153, 19440, 20204, 25255, 30306, 38880, 40408, 45459, 50510, 60612, 75765, 80816, 90918, 101020, 121224, 136377, 151530, 161632, 181836, 202040, 227295, 242448, 272754, 303060, 363672, 404080, 409131, 454590, 484896, 545508, 606120, 681885, 727344, 808160, 818262, 909180, 1091016, 1212240, 1227393, 1363770, 1454688, 1636524, 1818360, 2045655, 2182032, 2424480, 2454786, 2727540, 3273048, 3636720, 4091310, 4364064, 4909572, 5455080, 6136965, 6546096, 7273440, 8182620, 9819144, 10910160, 12273930, 13092192, 16365240, 19638288, 21820320, 24547860, 32730480, 39276576, 49095720, 65460960, 98191440, 196382880]

約数ペア:

[(1, 196382880), (2, 98191440), (3, 65460960), (4, 49095720), (5, 39276576), (6, 32730480), (8, 24547860), (9, 21820320), (10, 19638288), (12, 16365240), (15, 13092192), (16, 12273930), (18, 10910160), (20, 9819144), (24, 8182620), (27, 7273440), (30, 6546096), (32, 6136965), (36, 5455080), (40, 4909572), (45, 4364064), (48, 4091310), (54, 3636720), (60, 3273048), (72, 2727540), (80, 2454786), (81, 2424480), (90, 2182032), (96, 2045655), (108, 1818360), (120, 1636524), (135, 1454688), (144, 1363770), (160, 1227393), (162, 1212240), (180, 1091016), (216, 909180), (240, 818262), (243, 808160), (270, 727344), (288, 681885), (324, 606120), (360, 545508), (405, 484896), (432, 454590), (480, 409131), (486, 404080), (540, 363672), (648, 303060), (720, 272754), (810, 242448), (864, 227295), (972, 202040), (1080, 181836), (1215, 161632), (1296, 151530), (1440, 136377), (1620, 121224), (1944, 101020), (2160, 90918), (2430, 80816), (2592, 75765), (3240, 60612), (3888, 50510), (4320, 45459), (4860, 40408), (5051, 38880), (6480, 30306), (7776, 25255), (9720, 20204), (10102, 19440), (12960, 15153)]