72321140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1741}}^1$

素因数の和:1848

約数の個数: 48

約数和(自身を含む): 159204864

約数和(自身を除く): 86883724

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 1741, 2077, 3482, 4154, 6964, 8308, 8705, 10385, 17410, 20770, 34820, 41540, 53971, 107942, 116647, 215884, 233294, 269855, 466588, 539710, 583235, 1079420, 1166470, 2332940, 3616057, 7232114, 14464228, 18080285, 36160570, 72321140]

約数ペア:

[(1, 72321140), (2, 36160570), (4, 18080285), (5, 14464228), (10, 7232114), (20, 3616057), (31, 2332940), (62, 1166470), (67, 1079420), (124, 583235), (134, 539710), (155, 466588), (268, 269855), (310, 233294), (335, 215884), (620, 116647), (670, 107942), (1340, 53971), (1741, 41540), (2077, 34820), (3482, 20770), (4154, 17410), (6964, 10385), (8308, 8705)]