2003120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{73}}^1$

素因数の和:107

約数の個数: 80

約数和(自身を含む): 5505600

約数和(自身を除く): 3502480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 343, 365, 392, 490, 511, 560, 584, 686, 730, 784, 980, 1022, 1168, 1372, 1460, 1715, 1960, 2044, 2555, 2744, 2920, 3430, 3577, 3920, 4088, 5110, 5488, 5840, 6860, 7154, 8176, 10220, 13720, 14308, 17885, 20440, 25039, 27440, 28616, 35770, 40880, 50078, 57232, 71540, 100156, 125195, 143080, 200312, 250390, 286160, 400624, 500780, 1001560, 2003120]

約数ペア:

[(1, 2003120), (2, 1001560), (4, 500780), (5, 400624), (7, 286160), (8, 250390), (10, 200312), (14, 143080), (16, 125195), (20, 100156), (28, 71540), (35, 57232), (40, 50078), (49, 40880), (56, 35770), (70, 28616), (73, 27440), (80, 25039), (98, 20440), (112, 17885), (140, 14308), (146, 13720), (196, 10220), (245, 8176), (280, 7154), (292, 6860), (343, 5840), (365, 5488), (392, 5110), (490, 4088), (511, 3920), (560, 3577), (584, 3430), (686, 2920), (730, 2744), (784, 2555), (980, 2044), (1022, 1960), (1168, 1715), (1372, 1460)]