79359280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 160

約数和(自身を含む): 247984128

約数和(自身を除く): 168624848

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 991, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1982, 2002, 2288, 2860, 3080, 3640, 3964, 4004, 4955, 5005, 5720, 6160, 6937, 7280, 7928, 8008, 9910, 10010, 10901, 11440, 12883, 13874, 15856, 16016, 19820, 20020, 21802, 25766, 27748, 34685, 39640, 40040, 43604, 51532, 54505, 55496, 64415, 69370, 76307, 79280, 80080, 87208, 90181, 103064, 109010, 110992, 128830, 138740, 141713, 152614, 174416, 180362, 206128, 218020, 257660, 277480, 283426, 305228, 360724, 381535, 436040, 450905, 515320, 554960, 566852, 610456, 708565, 721448, 763070, 872080, 901810, 991991, 1030640, 1133704, 1220912, 1417130, 1442896, 1526140, 1803620, 1983982, 2267408, 2834260, 3052280, 3607240, 3967964, 4959955, 5668520, 6104560, 7214480, 7935928, 9919910, 11337040, 15871856, 19839820, 39679640, 79359280]

約数ペア:

[(1, 79359280), (2, 39679640), (4, 19839820), (5, 15871856), (7, 11337040), (8, 9919910), (10, 7935928), (11, 7214480), (13, 6104560), (14, 5668520), (16, 4959955), (20, 3967964), (22, 3607240), (26, 3052280), (28, 2834260), (35, 2267408), (40, 1983982), (44, 1803620), (52, 1526140), (55, 1442896), (56, 1417130), (65, 1220912), (70, 1133704), (77, 1030640), (80, 991991), (88, 901810), (91, 872080), (104, 763070), (110, 721448), (112, 708565), (130, 610456), (140, 566852), (143, 554960), (154, 515320), (176, 450905), (182, 436040), (208, 381535), (220, 360724), (260, 305228), (280, 283426), (286, 277480), (308, 257660), (364, 218020), (385, 206128), (440, 180362), (455, 174416), (520, 152614), (560, 141713), (572, 138740), (616, 128830), (715, 110992), (728, 109010), (770, 103064), (880, 90181), (910, 87208), (991, 80080), (1001, 79280), (1040, 76307), (1144, 69370), (1232, 64415), (1430, 55496), (1456, 54505), (1540, 51532), (1820, 43604), (1982, 40040), (2002, 39640), (2288, 34685), (2860, 27748), (3080, 25766), (3640, 21802), (3964, 20020), (4004, 19820), (4955, 16016), (5005, 15856), (5720, 13874), (6160, 12883), (6937, 11440), (7280, 10901), (7928, 10010), (8008, 9910)]