68747640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 224501760

約数和(自身を除く): 155754120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 127, 130, 156, 195, 254, 260, 312, 347, 381, 390, 508, 520, 635, 694, 762, 780, 1016, 1041, 1270, 1388, 1524, 1560, 1651, 1735, 1905, 2082, 2540, 2776, 3048, 3302, 3470, 3810, 4164, 4511, 4953, 5080, 5205, 6604, 6940, 7620, 8255, 8328, 9022, 9906, 10410, 13208, 13533, 13880, 15240, 16510, 18044, 19812, 20820, 22555, 24765, 27066, 33020, 36088, 39624, 41640, 44069, 45110, 49530, 54132, 66040, 67665, 88138, 90220, 99060, 108264, 132207, 135330, 176276, 180440, 198120, 220345, 264414, 270660, 352552, 440690, 528828, 541320, 572897, 661035, 881380, 1057656, 1145794, 1322070, 1718691, 1762760, 2291588, 2644140, 2864485, 3437382, 4583176, 5288280, 5728970, 6874764, 8593455, 11457940, 13749528, 17186910, 22915880, 34373820, 68747640]

約数ペア:

[(1, 68747640), (2, 34373820), (3, 22915880), (4, 17186910), (5, 13749528), (6, 11457940), (8, 8593455), (10, 6874764), (12, 5728970), (13, 5288280), (15, 4583176), (20, 3437382), (24, 2864485), (26, 2644140), (30, 2291588), (39, 1762760), (40, 1718691), (52, 1322070), (60, 1145794), (65, 1057656), (78, 881380), (104, 661035), (120, 572897), (127, 541320), (130, 528828), (156, 440690), (195, 352552), (254, 270660), (260, 264414), (312, 220345), (347, 198120), (381, 180440), (390, 176276), (508, 135330), (520, 132207), (635, 108264), (694, 99060), (762, 90220), (780, 88138), (1016, 67665), (1041, 66040), (1270, 54132), (1388, 49530), (1524, 45110), (1560, 44069), (1651, 41640), (1735, 39624), (1905, 36088), (2082, 33020), (2540, 27066), (2776, 24765), (3048, 22555), (3302, 20820), (3470, 19812), (3810, 18044), (4164, 16510), (4511, 15240), (4953, 13880), (5080, 13533), (5205, 13208), (6604, 10410), (6940, 9906), (7620, 9022), (8255, 8328)]