278867880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{258211}}^1$

素因数の和:258231

約数の個数: 64

約数和(自身を含む): 929563200

約数和(自身を除く): 650695320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 258211, 516422, 774633, 1032844, 1291055, 1549266, 2065688, 2323899, 2582110, 3098532, 3873165, 4647798, 5164220, 6197064, 6971697, 7746330, 9295596, 10328440, 11619495, 13943394, 15492660, 18591192, 23238990, 27886788, 30985320, 34858485, 46477980, 55773576, 69716970, 92955960, 139433940, 278867880]

約数ペア:

[(1, 278867880), (2, 139433940), (3, 92955960), (4, 69716970), (5, 55773576), (6, 46477980), (8, 34858485), (9, 30985320), (10, 27886788), (12, 23238990), (15, 18591192), (18, 15492660), (20, 13943394), (24, 11619495), (27, 10328440), (30, 9295596), (36, 7746330), (40, 6971697), (45, 6197064), (54, 5164220), (60, 4647798), (72, 3873165), (90, 3098532), (108, 2582110), (120, 2323899), (135, 2065688), (180, 1549266), (216, 1291055), (270, 1032844), (360, 774633), (540, 516422), (1080, 258211)]