145345760

素因数分解:

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

素因数の和:18568

約数の個数: 72

約数和(自身を含む): 399462840

約数和(自身を除く): 254117080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 18539, 37078, 74156, 92695, 129773, 148312, 185390, 259546, 296624, 370780, 519092, 593248, 648865, 741560, 908411, 1038184, 1297730, 1483120, 1816822, 2076368, 2595460, 2966240, 3633644, 4152736, 4542055, 5190920, 7267288, 9084110, 10381840, 14534576, 18168220, 20763680, 29069152, 36336440, 72672880, 145345760]

約数ペア:

[(1, 145345760), (2, 72672880), (4, 36336440), (5, 29069152), (7, 20763680), (8, 18168220), (10, 14534576), (14, 10381840), (16, 9084110), (20, 7267288), (28, 5190920), (32, 4542055), (35, 4152736), (40, 3633644), (49, 2966240), (56, 2595460), (70, 2076368), (80, 1816822), (98, 1483120), (112, 1297730), (140, 1038184), (160, 908411), (196, 741560), (224, 648865), (245, 593248), (280, 519092), (392, 370780), (490, 296624), (560, 259546), (784, 185390), (980, 148312), (1120, 129773), (1568, 92695), (1960, 74156), (3920, 37078), (7840, 18539)]