16320255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 32514048

約数和(自身を除く): 16193793

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 223, 255, 287, 357, 595, 615, 669, 697, 861, 1115, 1435, 1561, 1785, 2091, 3345, 3485, 3791, 4305, 4683, 4879, 7805, 9143, 10455, 11373, 14637, 18955, 23415, 24395, 26537, 27429, 45715, 56865, 64001, 73185, 79611, 132685, 137145, 155431, 192003, 320005, 398055, 466293, 777155, 960015, 1088017, 2331465, 3264051, 5440085, 16320255]

約数ペア:

[(1, 16320255), (3, 5440085), (5, 3264051), (7, 2331465), (15, 1088017), (17, 960015), (21, 777155), (35, 466293), (41, 398055), (51, 320005), (85, 192003), (105, 155431), (119, 137145), (123, 132685), (205, 79611), (223, 73185), (255, 64001), (287, 56865), (357, 45715), (595, 27429), (615, 26537), (669, 24395), (697, 23415), (861, 18955), (1115, 14637), (1435, 11373), (1561, 10455), (1785, 9143), (2091, 7805), (3345, 4879), (3485, 4683), (3791, 4305)]