168978780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49409}}^1$

素因数の和:49443

約数の個数: 72

約数和(自身を含む): 539557200

約数和(自身を除く): 370578420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 49409, 98818, 148227, 197636, 247045, 296454, 444681, 494090, 592908, 741135, 889362, 938771, 988180, 1482270, 1778724, 1877542, 2223405, 2816313, 2964540, 3755084, 4446810, 4693855, 5632626, 8448939, 8893620, 9387710, 11265252, 14081565, 16897878, 18775420, 28163130, 33795756, 42244695, 56326260, 84489390, 168978780]

約数ペア:

[(1, 168978780), (2, 84489390), (3, 56326260), (4, 42244695), (5, 33795756), (6, 28163130), (9, 18775420), (10, 16897878), (12, 14081565), (15, 11265252), (18, 9387710), (19, 8893620), (20, 8448939), (30, 5632626), (36, 4693855), (38, 4446810), (45, 3755084), (57, 2964540), (60, 2816313), (76, 2223405), (90, 1877542), (95, 1778724), (114, 1482270), (171, 988180), (180, 938771), (190, 889362), (228, 741135), (285, 592908), (342, 494090), (380, 444681), (570, 296454), (684, 247045), (855, 197636), (1140, 148227), (1710, 98818), (3420, 49409)]