82966520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 239984640

約数和(自身を除く): 157018120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 991, 1196, 1288, 1495, 1610, 1820, 1982, 2093, 2392, 2990, 3220, 3640, 3964, 4186, 4955, 5980, 6440, 6937, 7928, 8372, 9910, 10465, 11960, 12883, 13874, 16744, 19820, 20930, 22793, 25766, 27748, 34685, 39640, 41860, 45586, 51532, 55496, 64415, 69370, 83720, 90181, 91172, 103064, 113965, 128830, 138740, 159551, 180362, 182344, 227930, 257660, 277480, 296309, 319102, 360724, 450905, 455860, 515320, 592618, 638204, 721448, 797755, 901810, 911720, 1185236, 1276408, 1481545, 1595510, 1803620, 2074163, 2370472, 2963090, 3191020, 3607240, 4148326, 5926180, 6382040, 8296652, 10370815, 11852360, 16593304, 20741630, 41483260, 82966520]

約数ペア:

[(1, 82966520), (2, 41483260), (4, 20741630), (5, 16593304), (7, 11852360), (8, 10370815), (10, 8296652), (13, 6382040), (14, 5926180), (20, 4148326), (23, 3607240), (26, 3191020), (28, 2963090), (35, 2370472), (40, 2074163), (46, 1803620), (52, 1595510), (56, 1481545), (65, 1276408), (70, 1185236), (91, 911720), (92, 901810), (104, 797755), (115, 721448), (130, 638204), (140, 592618), (161, 515320), (182, 455860), (184, 450905), (230, 360724), (260, 319102), (280, 296309), (299, 277480), (322, 257660), (364, 227930), (455, 182344), (460, 180362), (520, 159551), (598, 138740), (644, 128830), (728, 113965), (805, 103064), (910, 91172), (920, 90181), (991, 83720), (1196, 69370), (1288, 64415), (1495, 55496), (1610, 51532), (1820, 45586), (1982, 41860), (2093, 39640), (2392, 34685), (2990, 27748), (3220, 25766), (3640, 22793), (3964, 20930), (4186, 19820), (4955, 16744), (5980, 13874), (6440, 12883), (6937, 11960), (7928, 10465), (8372, 9910)]