72672880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18539}}^1$

素因数の和:18566

約数の個数: 60

約数和(自身を含む): 196561080

約数和(自身を除く): 123888200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18539, 37078, 74156, 92695, 129773, 148312, 185390, 259546, 296624, 370780, 519092, 648865, 741560, 908411, 1038184, 1297730, 1483120, 1816822, 2076368, 2595460, 3633644, 4542055, 5190920, 7267288, 9084110, 10381840, 14534576, 18168220, 36336440, 72672880]

約数ペア:

[(1, 72672880), (2, 36336440), (4, 18168220), (5, 14534576), (7, 10381840), (8, 9084110), (10, 7267288), (14, 5190920), (16, 4542055), (20, 3633644), (28, 2595460), (35, 2076368), (40, 1816822), (49, 1483120), (56, 1297730), (70, 1038184), (80, 908411), (98, 741560), (112, 648865), (140, 519092), (196, 370780), (245, 296624), (280, 259546), (392, 185390), (490, 148312), (560, 129773), (784, 92695), (980, 74156), (1960, 37078), (3920, 18539)]