81665064

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 128

約数和(自身を含む): 247296000

約数和(自身を除く): 165630936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 127, 156, 216, 229, 234, 254, 312, 351, 381, 458, 468, 508, 687, 702, 762, 916, 936, 1016, 1143, 1374, 1404, 1524, 1651, 1832, 2061, 2286, 2748, 2808, 2977, 3048, 3302, 3429, 4122, 4572, 4953, 5496, 5954, 6183, 6604, 6858, 8244, 8931, 9144, 9906, 11908, 12366, 13208, 13716, 14859, 16488, 17862, 19812, 23816, 24732, 26793, 27432, 29083, 29718, 35724, 39624, 44577, 49464, 53586, 58166, 59436, 71448, 80379, 87249, 89154, 107172, 116332, 118872, 160758, 174498, 178308, 214344, 232664, 261747, 321516, 348996, 356616, 378079, 523494, 643032, 697992, 756158, 785241, 1046988, 1134237, 1512316, 1570482, 2093976, 2268474, 3024632, 3140964, 3402711, 4536948, 6281928, 6805422, 9073896, 10208133, 13610844, 20416266, 27221688, 40832532, 81665064]

約数ペア:

[(1, 81665064), (2, 40832532), (3, 27221688), (4, 20416266), (6, 13610844), (8, 10208133), (9, 9073896), (12, 6805422), (13, 6281928), (18, 4536948), (24, 3402711), (26, 3140964), (27, 3024632), (36, 2268474), (39, 2093976), (52, 1570482), (54, 1512316), (72, 1134237), (78, 1046988), (104, 785241), (108, 756158), (117, 697992), (127, 643032), (156, 523494), (216, 378079), (229, 356616), (234, 348996), (254, 321516), (312, 261747), (351, 232664), (381, 214344), (458, 178308), (468, 174498), (508, 160758), (687, 118872), (702, 116332), (762, 107172), (916, 89154), (936, 87249), (1016, 80379), (1143, 71448), (1374, 59436), (1404, 58166), (1524, 53586), (1651, 49464), (1832, 44577), (2061, 39624), (2286, 35724), (2748, 29718), (2808, 29083), (2977, 27432), (3048, 26793), (3302, 24732), (3429, 23816), (4122, 19812), (4572, 17862), (4953, 16488), (5496, 14859), (5954, 13716), (6183, 13208), (6604, 12366), (6858, 11908), (8244, 9906), (8931, 9144)]