20998903320

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{720127}}^1$

素因数の和:720156

約数の個数: 112

約数和(自身を含む): 70838991360

約数和(自身を除く): 49840088040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4860, 5832, 7290, 9720, 14580, 29160, 720127, 1440254, 2160381, 2880508, 3600635, 4320762, 5761016, 6481143, 7201270, 8641524, 10801905, 12962286, 14402540, 17283048, 19443429, 21603810, 25924572, 28805080, 32405715, 38886858, 43207620, 51849144, 58330287, 64811430, 77773716, 86415240, 97217145, 116660574, 129622860, 155547432, 174990861, 194434290, 233321148, 259245720, 291651435, 349981722, 388868580, 466642296, 524972583, 583302870, 699963444, 777737160, 874954305, 1049945166, 1166605740, 1399926888, 1749908610, 2099890332, 2333211480, 2624862915, 3499817220, 4199780664, 5249725830, 6999634440, 10499451660, 20998903320]

約数ペア:

[(1, 20998903320), (2, 10499451660), (3, 6999634440), (4, 5249725830), (5, 4199780664), (6, 3499817220), (8, 2624862915), (9, 2333211480), (10, 2099890332), (12, 1749908610), (15, 1399926888), (18, 1166605740), (20, 1049945166), (24, 874954305), (27, 777737160), (30, 699963444), (36, 583302870), (40, 524972583), (45, 466642296), (54, 388868580), (60, 349981722), (72, 291651435), (81, 259245720), (90, 233321148), (108, 194434290), (120, 174990861), (135, 155547432), (162, 129622860), (180, 116660574), (216, 97217145), (243, 86415240), (270, 77773716), (324, 64811430), (360, 58330287), (405, 51849144), (486, 43207620), (540, 38886858), (648, 32405715), (729, 28805080), (810, 25924572), (972, 21603810), (1080, 19443429), (1215, 17283048), (1458, 14402540), (1620, 12962286), (1944, 10801905), (2430, 8641524), (2916, 7201270), (3240, 6481143), (3645, 5761016), (4860, 4320762), (5832, 3600635), (7290, 2880508), (9720, 2160381), (14580, 1440254), (29160, 720127)]