128413875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 229132800

約数和(自身を除く): 100718925

約数列:

[1, 3, 5, 15, 19, 25, 57, 67, 75, 95, 125, 201, 269, 285, 335, 375, 475, 807, 1005, 1273, 1345, 1425, 1675, 2375, 3819, 4035, 5025, 5111, 6365, 6725, 7125, 8375, 15333, 18023, 19095, 20175, 25125, 25555, 31825, 33625, 54069, 76665, 90115, 95475, 100875, 127775, 159125, 270345, 342437, 383325, 450575, 477375, 638875, 1027311, 1351725, 1712185, 1916625, 2252875, 5136555, 6758625, 8560925, 25682775, 42804625, 128413875]

約数ペア:

[(1, 128413875), (3, 42804625), (5, 25682775), (15, 8560925), (19, 6758625), (25, 5136555), (57, 2252875), (67, 1916625), (75, 1712185), (95, 1351725), (125, 1027311), (201, 638875), (269, 477375), (285, 450575), (335, 383325), (375, 342437), (475, 270345), (807, 159125), (1005, 127775), (1273, 100875), (1345, 95475), (1425, 90115), (1675, 76665), (2375, 54069), (3819, 33625), (4035, 31825), (5025, 25555), (5111, 25125), (6365, 20175), (6725, 19095), (7125, 18023), (8375, 15333)]