2018035125

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{4969}}^1$

素因数の和:5028

約数の個数: 72

約数和(自身を含む): 3840159960

約数和(自身を除く): 1822124835

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 361, 375, 475, 855, 1083, 1125, 1425, 1805, 2375, 3249, 4275, 4969, 5415, 7125, 9025, 14907, 16245, 21375, 24845, 27075, 44721, 45125, 74535, 81225, 94411, 124225, 135375, 223605, 283233, 372675, 406125, 472055, 621125, 849699, 1118025, 1416165, 1793809, 1863375, 2360275, 4248495, 5381427, 5590125, 7080825, 8969045, 11801375, 16144281, 21242475, 26907135, 35404125, 44845225, 80721405, 106212375, 134535675, 224226125, 403607025, 672678375, 2018035125]

約数ペア:

[(1, 2018035125), (3, 672678375), (5, 403607025), (9, 224226125), (15, 134535675), (19, 106212375), (25, 80721405), (45, 44845225), (57, 35404125), (75, 26907135), (95, 21242475), (125, 16144281), (171, 11801375), (225, 8969045), (285, 7080825), (361, 5590125), (375, 5381427), (475, 4248495), (855, 2360275), (1083, 1863375), (1125, 1793809), (1425, 1416165), (1805, 1118025), (2375, 849699), (3249, 621125), (4275, 472055), (4969, 406125), (5415, 372675), (7125, 283233), (9025, 223605), (14907, 135375), (16245, 124225), (21375, 94411), (24845, 81225), (27075, 74535), (44721, 45125)]