15120225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 29596320

約数和(自身を除く): 14476095

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 59, 67, 75, 85, 153, 177, 201, 225, 255, 295, 335, 425, 531, 603, 765, 885, 1003, 1005, 1139, 1275, 1475, 1675, 2655, 3009, 3015, 3417, 3825, 3953, 4425, 5015, 5025, 5695, 9027, 10251, 11859, 13275, 15045, 15075, 17085, 19765, 25075, 28475, 35577, 45135, 51255, 59295, 67201, 75225, 85425, 98825, 177885, 201603, 225675, 256275, 296475, 336005, 604809, 889425, 1008015, 1680025, 3024045, 5040075, 15120225]

約数ペア:

[(1, 15120225), (3, 5040075), (5, 3024045), (9, 1680025), (15, 1008015), (17, 889425), (25, 604809), (45, 336005), (51, 296475), (59, 256275), (67, 225675), (75, 201603), (85, 177885), (153, 98825), (177, 85425), (201, 75225), (225, 67201), (255, 59295), (295, 51255), (335, 45135), (425, 35577), (531, 28475), (603, 25075), (765, 19765), (885, 17085), (1003, 15075), (1005, 15045), (1139, 13275), (1275, 11859), (1475, 10251), (1675, 9027), (2655, 5695), (3009, 5025), (3015, 5015), (3417, 4425), (3825, 3953)]