66867640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1823}}^1$

素因数の和:1972

約数の個数: 64

約数和(自身を含む): 173352960

約数和(自身を除く): 106485320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1823, 1834, 2620, 3646, 3668, 4585, 5240, 7292, 7336, 9115, 9170, 12761, 14584, 18230, 18340, 25522, 36460, 36680, 51044, 63805, 72920, 102088, 127610, 238813, 255220, 477626, 510440, 955252, 1194065, 1671691, 1910504, 2388130, 3343382, 4776260, 6686764, 8358455, 9552520, 13373528, 16716910, 33433820, 66867640]

約数ペア:

[(1, 66867640), (2, 33433820), (4, 16716910), (5, 13373528), (7, 9552520), (8, 8358455), (10, 6686764), (14, 4776260), (20, 3343382), (28, 2388130), (35, 1910504), (40, 1671691), (56, 1194065), (70, 955252), (131, 510440), (140, 477626), (262, 255220), (280, 238813), (524, 127610), (655, 102088), (917, 72920), (1048, 63805), (1310, 51044), (1823, 36680), (1834, 36460), (2620, 25522), (3646, 18340), (3668, 18230), (4585, 14584), (5240, 12761), (7292, 9170), (7336, 9115)]