1851339240

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{21163}}^1$

素因数の和:21195

約数の個数: 128

約数和(自身を含む): 6247612800

約数和(自身を除く): 4396273560

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, 2187, 2430, 2916, 3240, 3645, 4374, 4860, 5832, 7290, 8748, 9720, 10935, 14580, 17496, 21163, 21870, 29160, 42326, 43740, 63489, 84652, 87480, 105815, 126978, 169304, 190467, 211630, 253956, 317445, 380934, 423260, 507912, 571401, 634890, 761868, 846520, 952335, 1142802, 1269780, 1523736, 1714203, 1904670, 2285604, 2539560, 2857005, 3428406, 3809340, 4571208, 5142609, 5714010, 6856812, 7618680, 8571015, 10285218, 11428020, 13713624, 15427827, 17142030, 20570436, 22856040, 25713045, 30855654, 34284060, 41140872, 46283481, 51426090, 61711308, 68568120, 77139135, 92566962, 102852180, 123422616, 154278270, 185133924, 205704360, 231417405, 308556540, 370267848, 462834810, 617113080, 925669620, 1851339240]

約数ペア:

[(1, 1851339240), (2, 925669620), (3, 617113080), (4, 462834810), (5, 370267848), (6, 308556540), (8, 231417405), (9, 205704360), (10, 185133924), (12, 154278270), (15, 123422616), (18, 102852180), (20, 92566962), (24, 77139135), (27, 68568120), (30, 61711308), (36, 51426090), (40, 46283481), (45, 41140872), (54, 34284060), (60, 30855654), (72, 25713045), (81, 22856040), (90, 20570436), (108, 17142030), (120, 15427827), (135, 13713624), (162, 11428020), (180, 10285218), (216, 8571015), (243, 7618680), (270, 6856812), (324, 5714010), (360, 5142609), (405, 4571208), (486, 3809340), (540, 3428406), (648, 2857005), (729, 2539560), (810, 2285604), (972, 1904670), (1080, 1714203), (1215, 1523736), (1458, 1269780), (1620, 1142802), (1944, 952335), (2187, 846520), (2430, 761868), (2916, 634890), (3240, 571401), (3645, 507912), (4374, 423260), (4860, 380934), (5832, 317445), (7290, 253956), (8748, 211630), (9720, 190467), (10935, 169304), (14580, 126978), (17496, 105815), (21163, 87480), (21870, 84652), (29160, 63489), (42326, 43740)]