171020920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1129}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 440971200

約数和(自身を除く): 269950280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 541, 1082, 1129, 2164, 2258, 2705, 3787, 4328, 4516, 5410, 5645, 7574, 7903, 9032, 10820, 11290, 15148, 15806, 18935, 21640, 22580, 30296, 31612, 37870, 39515, 45160, 63224, 75740, 79030, 151480, 158060, 316120, 610789, 1221578, 2443156, 3053945, 4275523, 4886312, 6107890, 8551046, 12215780, 17102092, 21377615, 24431560, 34204184, 42755230, 85510460, 171020920]

約数ペア:

[(1, 171020920), (2, 85510460), (4, 42755230), (5, 34204184), (7, 24431560), (8, 21377615), (10, 17102092), (14, 12215780), (20, 8551046), (28, 6107890), (35, 4886312), (40, 4275523), (56, 3053945), (70, 2443156), (140, 1221578), (280, 610789), (541, 316120), (1082, 158060), (1129, 151480), (2164, 79030), (2258, 75740), (2705, 63224), (3787, 45160), (4328, 39515), (4516, 37870), (5410, 31612), (5645, 30296), (7574, 22580), (7903, 21640), (9032, 18935), (10820, 15806), (11290, 15148)]