51566220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 163640400

約数和(自身を除く): 112074180

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, 139, 162, 180, 229, 270, 278, 324, 405, 417, 458, 540, 556, 687, 695, 810, 834, 916, 1145, 1251, 1374, 1390, 1620, 1668, 2061, 2085, 2290, 2502, 2748, 2780, 3435, 3753, 4122, 4170, 4580, 5004, 6183, 6255, 6870, 7506, 8244, 8340, 10305, 11259, 12366, 12510, 13740, 15012, 18549, 18765, 20610, 22518, 24732, 25020, 30915, 31831, 37098, 37530, 41220, 45036, 56295, 61830, 63662, 74196, 75060, 92745, 95493, 112590, 123660, 127324, 159155, 185490, 190986, 225180, 286479, 318310, 370980, 381972, 477465, 572958, 636620, 859437, 954930, 1145916, 1432395, 1718874, 1909860, 2578311, 2864790, 3437748, 4297185, 5156622, 5729580, 8594370, 10313244, 12891555, 17188740, 25783110, 51566220]

約数ペア:

[(1, 51566220), (2, 25783110), (3, 17188740), (4, 12891555), (5, 10313244), (6, 8594370), (9, 5729580), (10, 5156622), (12, 4297185), (15, 3437748), (18, 2864790), (20, 2578311), (27, 1909860), (30, 1718874), (36, 1432395), (45, 1145916), (54, 954930), (60, 859437), (81, 636620), (90, 572958), (108, 477465), (135, 381972), (139, 370980), (162, 318310), (180, 286479), (229, 225180), (270, 190986), (278, 185490), (324, 159155), (405, 127324), (417, 123660), (458, 112590), (540, 95493), (556, 92745), (687, 75060), (695, 74196), (810, 63662), (834, 61830), (916, 56295), (1145, 45036), (1251, 41220), (1374, 37530), (1390, 37098), (1620, 31831), (1668, 30915), (2061, 25020), (2085, 24732), (2290, 22518), (2502, 20610), (2748, 18765), (2780, 18549), (3435, 15012), (3753, 13740), (4122, 12510), (4170, 12366), (4580, 11259), (5004, 10305), (6183, 8340), (6255, 8244), (6870, 7506)]