66120380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 147087360

約数和(自身を除く): 80966980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 911, 955, 1822, 1910, 3629, 3644, 3820, 4555, 7258, 9110, 14516, 17309, 18145, 18220, 34618, 36290, 69236, 72580, 86545, 173090, 174001, 346180, 348002, 696004, 870005, 1740010, 3306019, 3480020, 6612038, 13224076, 16530095, 33060190, 66120380]

約数ペア:

[(1, 66120380), (2, 33060190), (4, 16530095), (5, 13224076), (10, 6612038), (19, 3480020), (20, 3306019), (38, 1740010), (76, 870005), (95, 696004), (190, 348002), (191, 346180), (380, 174001), (382, 173090), (764, 86545), (911, 72580), (955, 69236), (1822, 36290), (1910, 34618), (3629, 18220), (3644, 18145), (3820, 17309), (4555, 14516), (7258, 9110)]