161096120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 372565440

約数和(自身を除く): 211469320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 412, 488, 515, 610, 641, 824, 1030, 1220, 1282, 2060, 2440, 2564, 3205, 4120, 5128, 6283, 6410, 12566, 12820, 25132, 25640, 31415, 39101, 50264, 62830, 66023, 78202, 125660, 132046, 156404, 195505, 251320, 264092, 312808, 330115, 391010, 528184, 660230, 782020, 1320460, 1564040, 2640920, 4027403, 8054806, 16109612, 20137015, 32219224, 40274030, 80548060, 161096120]

約数ペア:

[(1, 161096120), (2, 80548060), (4, 40274030), (5, 32219224), (8, 20137015), (10, 16109612), (20, 8054806), (40, 4027403), (61, 2640920), (103, 1564040), (122, 1320460), (206, 782020), (244, 660230), (305, 528184), (412, 391010), (488, 330115), (515, 312808), (610, 264092), (641, 251320), (824, 195505), (1030, 156404), (1220, 132046), (1282, 125660), (2060, 78202), (2440, 66023), (2564, 62830), (3205, 50264), (4120, 39101), (5128, 31415), (6283, 25640), (6410, 25132), (12566, 12820)]