1819160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 4795200

約数和(自身を除く): 2976040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 89, 140, 146, 178, 280, 292, 356, 365, 445, 511, 584, 623, 712, 730, 890, 1022, 1246, 1460, 1780, 2044, 2492, 2555, 2920, 3115, 3560, 4088, 4984, 5110, 6230, 6497, 10220, 12460, 12994, 20440, 24920, 25988, 32485, 45479, 51976, 64970, 90958, 129940, 181916, 227395, 259880, 363832, 454790, 909580, 1819160]

約数ペア:

[(1, 1819160), (2, 909580), (4, 454790), (5, 363832), (7, 259880), (8, 227395), (10, 181916), (14, 129940), (20, 90958), (28, 64970), (35, 51976), (40, 45479), (56, 32485), (70, 25988), (73, 24920), (89, 20440), (140, 12994), (146, 12460), (178, 10220), (280, 6497), (292, 6230), (356, 5110), (365, 4984), (445, 4088), (511, 3560), (584, 3115), (623, 2920), (712, 2555), (730, 2492), (890, 2044), (1022, 1780), (1246, 1460)]