156886240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20011}}^1$

素因数の和:20040

約数の個数: 72

約数和(自身を含む): 431178552

約数和(自身を除く): 274292312

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, 20011, 40022, 80044, 100055, 140077, 160088, 200110, 280154, 320176, 400220, 560308, 640352, 700385, 800440, 980539, 1120616, 1400770, 1600880, 1961078, 2241232, 2801540, 3201760, 3922156, 4482464, 4902695, 5603080, 7844312, 9805390, 11206160, 15688624, 19610780, 22412320, 31377248, 39221560, 78443120, 156886240]

約数ペア:

[(1, 156886240), (2, 78443120), (4, 39221560), (5, 31377248), (7, 22412320), (8, 19610780), (10, 15688624), (14, 11206160), (16, 9805390), (20, 7844312), (28, 5603080), (32, 4902695), (35, 4482464), (40, 3922156), (49, 3201760), (56, 2801540), (70, 2241232), (80, 1961078), (98, 1600880), (112, 1400770), (140, 1120616), (160, 980539), (196, 800440), (224, 700385), (245, 640352), (280, 560308), (392, 400220), (490, 320176), (560, 280154), (784, 200110), (980, 160088), (1120, 140077), (1568, 100055), (1960, 80044), (3920, 40022), (7840, 20011)]