80507940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70621}}^1$

素因数の和:70652

約数の個数: 48

約数和(自身を含む): 237289920

約数和(自身を除く): 156781980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 70621, 141242, 211863, 282484, 353105, 423726, 706210, 847452, 1059315, 1341799, 1412420, 2118630, 2683598, 4025397, 4237260, 5367196, 6708995, 8050794, 13417990, 16101588, 20126985, 26835980, 40253970, 80507940]

約数ペア:

[(1, 80507940), (2, 40253970), (3, 26835980), (4, 20126985), (5, 16101588), (6, 13417990), (10, 8050794), (12, 6708995), (15, 5367196), (19, 4237260), (20, 4025397), (30, 2683598), (38, 2118630), (57, 1412420), (60, 1341799), (76, 1059315), (95, 847452), (114, 706210), (190, 423726), (228, 353105), (285, 282484), (380, 211863), (570, 141242), (1140, 70621)]