80886520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 136841480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 79, 88, 104, 110, 130, 143, 158, 179, 220, 260, 286, 316, 358, 395, 440, 520, 572, 632, 715, 716, 790, 869, 895, 1027, 1144, 1430, 1432, 1580, 1738, 1790, 1969, 2054, 2327, 2860, 3160, 3476, 3580, 3938, 4108, 4345, 4654, 5135, 5720, 6952, 7160, 7876, 8216, 8690, 9308, 9845, 10270, 11297, 11635, 14141, 15752, 17380, 18616, 19690, 20540, 22594, 23270, 25597, 28282, 34760, 39380, 41080, 45188, 46540, 51194, 56485, 56564, 70705, 78760, 90376, 93080, 102388, 112970, 113128, 127985, 141410, 155551, 183833, 204776, 225940, 255970, 282820, 311102, 367666, 451880, 511940, 565640, 622204, 735332, 777755, 919165, 1023880, 1244408, 1470664, 1555510, 1838330, 2022163, 3111020, 3676660, 4044326, 6222040, 7353320, 8088652, 10110815, 16177304, 20221630, 40443260, 80886520]

約数ペア:

[(1, 80886520), (2, 40443260), (4, 20221630), (5, 16177304), (8, 10110815), (10, 8088652), (11, 7353320), (13, 6222040), (20, 4044326), (22, 3676660), (26, 3111020), (40, 2022163), (44, 1838330), (52, 1555510), (55, 1470664), (65, 1244408), (79, 1023880), (88, 919165), (104, 777755), (110, 735332), (130, 622204), (143, 565640), (158, 511940), (179, 451880), (220, 367666), (260, 311102), (286, 282820), (316, 255970), (358, 225940), (395, 204776), (440, 183833), (520, 155551), (572, 141410), (632, 127985), (715, 113128), (716, 112970), (790, 102388), (869, 93080), (895, 90376), (1027, 78760), (1144, 70705), (1430, 56564), (1432, 56485), (1580, 51194), (1738, 46540), (1790, 45188), (1969, 41080), (2054, 39380), (2327, 34760), (2860, 28282), (3160, 25597), (3476, 23270), (3580, 22594), (3938, 20540), (4108, 19690), (4345, 18616), (4654, 17380), (5135, 15752), (5720, 14141), (6952, 11635), (7160, 11297), (7876, 10270), (8216, 9845), (8690, 9308)]