171225320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6871}}^1$

素因数の和:6978

約数の個数: 64

約数和(自身を含む): 445305600

約数和(自身を除く): 274080280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 6871, 12460, 13742, 24920, 27484, 34355, 48097, 54968, 68710, 96194, 137420, 192388, 240485, 274840, 384776, 480970, 611519, 961940, 1223038, 1923880, 2446076, 3057595, 4280633, 4892152, 6115190, 8561266, 12230380, 17122532, 21403165, 24460760, 34245064, 42806330, 85612660, 171225320]

約数ペア:

[(1, 171225320), (2, 85612660), (4, 42806330), (5, 34245064), (7, 24460760), (8, 21403165), (10, 17122532), (14, 12230380), (20, 8561266), (28, 6115190), (35, 4892152), (40, 4280633), (56, 3057595), (70, 2446076), (89, 1923880), (140, 1223038), (178, 961940), (280, 611519), (356, 480970), (445, 384776), (623, 274840), (712, 240485), (890, 192388), (1246, 137420), (1780, 96194), (2492, 68710), (3115, 54968), (3560, 48097), (4984, 34355), (6230, 27484), (6871, 24920), (12460, 13742)]