80203275

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 153881520

約数和(自身を除く): 73678245

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 73, 75, 95, 171, 219, 225, 257, 285, 365, 475, 657, 771, 855, 1095, 1285, 1387, 1425, 1825, 2313, 3285, 3855, 4161, 4275, 4883, 5475, 6425, 6935, 11565, 12483, 14649, 16425, 18761, 19275, 20805, 24415, 34675, 43947, 56283, 57825, 62415, 73245, 93805, 104025, 122075, 168849, 219735, 281415, 312075, 356459, 366225, 469025, 844245, 1069377, 1098675, 1407075, 1782295, 3208131, 4221225, 5346885, 8911475, 16040655, 26734425, 80203275]

約数ペア:

[(1, 80203275), (3, 26734425), (5, 16040655), (9, 8911475), (15, 5346885), (19, 4221225), (25, 3208131), (45, 1782295), (57, 1407075), (73, 1098675), (75, 1069377), (95, 844245), (171, 469025), (219, 366225), (225, 356459), (257, 312075), (285, 281415), (365, 219735), (475, 168849), (657, 122075), (771, 104025), (855, 93805), (1095, 73245), (1285, 62415), (1387, 57825), (1425, 56283), (1825, 43947), (2313, 34675), (3285, 24415), (3855, 20805), (4161, 19275), (4275, 18761), (4883, 16425), (5475, 14649), (6425, 12483), (6935, 11565)]