56781540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1570

約数の個数: 96

約数和(自身を含む): 179262720

約数和(自身を除く): 122481180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 852, 1065, 1278, 1420, 1481, 1917, 2130, 2556, 2962, 3195, 3834, 4260, 4443, 5924, 6390, 7405, 7668, 8886, 9585, 12780, 13329, 14810, 17772, 19170, 22215, 26658, 29620, 38340, 39987, 44430, 53316, 66645, 79974, 88860, 105151, 133290, 159948, 199935, 210302, 266580, 315453, 399870, 420604, 525755, 630906, 799740, 946359, 1051510, 1261812, 1577265, 1892718, 2103020, 2839077, 3154530, 3785436, 4731795, 5678154, 6309060, 9463590, 11356308, 14195385, 18927180, 28390770, 56781540]

約数ペア:

[(1, 56781540), (2, 28390770), (3, 18927180), (4, 14195385), (5, 11356308), (6, 9463590), (9, 6309060), (10, 5678154), (12, 4731795), (15, 3785436), (18, 3154530), (20, 2839077), (27, 2103020), (30, 1892718), (36, 1577265), (45, 1261812), (54, 1051510), (60, 946359), (71, 799740), (90, 630906), (108, 525755), (135, 420604), (142, 399870), (180, 315453), (213, 266580), (270, 210302), (284, 199935), (355, 159948), (426, 133290), (540, 105151), (639, 88860), (710, 79974), (852, 66645), (1065, 53316), (1278, 44430), (1420, 39987), (1481, 38340), (1917, 29620), (2130, 26658), (2556, 22215), (2962, 19170), (3195, 17772), (3834, 14810), (4260, 13329), (4443, 12780), (5924, 9585), (6390, 8886), (7405, 7668)]