21880452880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{10567}}^1$

素因数の和:10785

約数の個数: 160

約数和(自身を含む): 60101653248

約数和(自身を除く): 38221200368

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 181, 208, 220, 260, 286, 362, 440, 520, 572, 715, 724, 880, 905, 1040, 1144, 1430, 1448, 1810, 1991, 2288, 2353, 2860, 2896, 3620, 3982, 4706, 5720, 7240, 7964, 9412, 9955, 10567, 11440, 11765, 14480, 15928, 18824, 19910, 21134, 23530, 25883, 31856, 37648, 39820, 42268, 47060, 51766, 52835, 79640, 84536, 94120, 103532, 105670, 116237, 129415, 137371, 159280, 169072, 188240, 207064, 211340, 232474, 258830, 274742, 414128, 422680, 464948, 517660, 549484, 581185, 686855, 845360, 929896, 1035320, 1098968, 1162370, 1373710, 1511081, 1859792, 1912627, 2070640, 2197936, 2324740, 2747420, 3022162, 3825254, 4649480, 5494840, 6044324, 7555405, 7650508, 9298960, 9563135, 10989680, 12088648, 15110810, 15301016, 19126270, 21038897, 24177296, 24864151, 30221620, 30602032, 38252540, 42077794, 49728302, 60443240, 76505080, 84155588, 99456604, 105194485, 120886480, 124320755, 153010160, 168311176, 198913208, 210388970, 248641510, 273505661, 336622352, 397826416, 420777940, 497283020, 547011322, 841555880, 994566040, 1094022644, 1367528305, 1683111760, 1989132080, 2188045288, 2735056610, 4376090576, 5470113220, 10940226440, 21880452880]

約数ペア:

[(1, 21880452880), (2, 10940226440), (4, 5470113220), (5, 4376090576), (8, 2735056610), (10, 2188045288), (11, 1989132080), (13, 1683111760), (16, 1367528305), (20, 1094022644), (22, 994566040), (26, 841555880), (40, 547011322), (44, 497283020), (52, 420777940), (55, 397826416), (65, 336622352), (80, 273505661), (88, 248641510), (104, 210388970), (110, 198913208), (130, 168311176), (143, 153010160), (176, 124320755), (181, 120886480), (208, 105194485), (220, 99456604), (260, 84155588), (286, 76505080), (362, 60443240), (440, 49728302), (520, 42077794), (572, 38252540), (715, 30602032), (724, 30221620), (880, 24864151), (905, 24177296), (1040, 21038897), (1144, 19126270), (1430, 15301016), (1448, 15110810), (1810, 12088648), (1991, 10989680), (2288, 9563135), (2353, 9298960), (2860, 7650508), (2896, 7555405), (3620, 6044324), (3982, 5494840), (4706, 4649480), (5720, 3825254), (7240, 3022162), (7964, 2747420), (9412, 2324740), (9955, 2197936), (10567, 2070640), (11440, 1912627), (11765, 1859792), (14480, 1511081), (15928, 1373710), (18824, 1162370), (19910, 1098968), (21134, 1035320), (23530, 929896), (25883, 845360), (31856, 686855), (37648, 581185), (39820, 549484), (42268, 517660), (47060, 464948), (51766, 422680), (52835, 414128), (79640, 274742), (84536, 258830), (94120, 232474), (103532, 211340), (105670, 207064), (116237, 188240), (129415, 169072), (137371, 159280)]