65618840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33479}}^1$

素因数の和:33504

約数の個数: 48

約数和(自身を含む): 171752400

約数和(自身を除く): 106133560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33479, 66958, 133916, 167395, 234353, 267832, 334790, 468706, 669580, 937412, 1171765, 1339160, 1640471, 1874824, 2343530, 3280942, 4687060, 6561884, 8202355, 9374120, 13123768, 16404710, 32809420, 65618840]

約数ペア:

[(1, 65618840), (2, 32809420), (4, 16404710), (5, 13123768), (7, 9374120), (8, 8202355), (10, 6561884), (14, 4687060), (20, 3280942), (28, 2343530), (35, 1874824), (40, 1640471), (49, 1339160), (56, 1171765), (70, 937412), (98, 669580), (140, 468706), (196, 334790), (245, 267832), (280, 234353), (392, 167395), (490, 133916), (980, 66958), (1960, 33479)]