56017980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:401

約数の個数: 120

約数和(自身を含む): 177666720

約数和(自身を除く): 121648740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 151, 162, 180, 229, 270, 302, 324, 405, 453, 458, 540, 604, 687, 755, 810, 906, 916, 1145, 1359, 1374, 1510, 1620, 1812, 2061, 2265, 2290, 2718, 2748, 3020, 3435, 4077, 4122, 4530, 4580, 5436, 6183, 6795, 6870, 8154, 8244, 9060, 10305, 12231, 12366, 13590, 13740, 16308, 18549, 20385, 20610, 24462, 24732, 27180, 30915, 34579, 37098, 40770, 41220, 48924, 61155, 61830, 69158, 74196, 81540, 92745, 103737, 122310, 123660, 138316, 172895, 185490, 207474, 244620, 311211, 345790, 370980, 414948, 518685, 622422, 691580, 933633, 1037370, 1244844, 1556055, 1867266, 2074740, 2800899, 3112110, 3734532, 4668165, 5601798, 6224220, 9336330, 11203596, 14004495, 18672660, 28008990, 56017980]

約数ペア:

[(1, 56017980), (2, 28008990), (3, 18672660), (4, 14004495), (5, 11203596), (6, 9336330), (9, 6224220), (10, 5601798), (12, 4668165), (15, 3734532), (18, 3112110), (20, 2800899), (27, 2074740), (30, 1867266), (36, 1556055), (45, 1244844), (54, 1037370), (60, 933633), (81, 691580), (90, 622422), (108, 518685), (135, 414948), (151, 370980), (162, 345790), (180, 311211), (229, 244620), (270, 207474), (302, 185490), (324, 172895), (405, 138316), (453, 123660), (458, 122310), (540, 103737), (604, 92745), (687, 81540), (755, 74196), (810, 69158), (906, 61830), (916, 61155), (1145, 48924), (1359, 41220), (1374, 40770), (1510, 37098), (1620, 34579), (1812, 30915), (2061, 27180), (2265, 24732), (2290, 24462), (2718, 20610), (2748, 20385), (3020, 18549), (3435, 16308), (4077, 13740), (4122, 13590), (4530, 12366), (4580, 12231), (5436, 10305), (6183, 9060), (6795, 8244), (6870, 8154)]