131761280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29411}}^1$

素因数の和:29437

約数の個数: 64

約数和(自身を含む): 360002880

約数和(自身を除く): 228241600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 29411, 58822, 117644, 147055, 205877, 235288, 294110, 411754, 470576, 588220, 823508, 941152, 1029385, 1176440, 1647016, 1882304, 2058770, 2352880, 3294032, 3764608, 4117540, 4705760, 6588064, 8235080, 9411520, 13176128, 16470160, 18823040, 26352256, 32940320, 65880640, 131761280]

約数ペア:

[(1, 131761280), (2, 65880640), (4, 32940320), (5, 26352256), (7, 18823040), (8, 16470160), (10, 13176128), (14, 9411520), (16, 8235080), (20, 6588064), (28, 4705760), (32, 4117540), (35, 3764608), (40, 3294032), (56, 2352880), (64, 2058770), (70, 1882304), (80, 1647016), (112, 1176440), (128, 1029385), (140, 941152), (160, 823508), (224, 588220), (280, 470576), (320, 411754), (448, 294110), (560, 235288), (640, 205877), (896, 147055), (1120, 117644), (2240, 58822), (4480, 29411)]