80990445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 62779155

約数列:

[1, 3, 5, 15, 19, 31, 57, 89, 93, 95, 103, 155, 267, 285, 309, 445, 465, 515, 589, 1335, 1545, 1691, 1767, 1957, 2759, 2945, 3193, 5073, 5871, 8277, 8455, 8835, 9167, 9579, 9785, 13795, 15965, 25365, 27501, 29355, 41385, 45835, 47895, 52421, 60667, 137505, 157263, 174173, 182001, 262105, 284177, 303335, 522519, 786315, 852531, 870865, 910005, 1420885, 2612595, 4262655, 5399363, 16198089, 26996815, 80990445]

約数ペア:

[(1, 80990445), (3, 26996815), (5, 16198089), (15, 5399363), (19, 4262655), (31, 2612595), (57, 1420885), (89, 910005), (93, 870865), (95, 852531), (103, 786315), (155, 522519), (267, 303335), (285, 284177), (309, 262105), (445, 182001), (465, 174173), (515, 157263), (589, 137505), (1335, 60667), (1545, 52421), (1691, 47895), (1767, 45835), (1957, 41385), (2759, 29355), (2945, 27501), (3193, 25365), (5073, 15965), (5871, 13795), (8277, 9785), (8455, 9579), (8835, 9167)]