178536465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 349090560

約数和(自身を除く): 170554095

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 73, 85, 115, 139, 153, 207, 219, 255, 345, 365, 391, 417, 657, 695, 765, 1035, 1095, 1173, 1241, 1251, 1679, 1955, 2085, 2363, 3197, 3285, 3519, 3723, 5037, 5865, 6205, 6255, 7089, 8395, 9591, 10147, 11169, 11815, 15111, 15985, 17595, 18615, 21267, 25185, 28543, 28773, 30441, 35445, 47955, 50735, 54349, 55845, 75555, 85629, 91323, 106335, 142715, 143865, 152205, 163047, 172499, 233381, 256887, 271745, 428145, 456615, 489141, 517497, 700143, 815235, 862495, 1166905, 1284435, 1552491, 2100429, 2445705, 2587485, 3500715, 3967477, 7762455, 10502145, 11902431, 19837385, 35707293, 59512155, 178536465]

約数ペア:

[(1, 178536465), (3, 59512155), (5, 35707293), (9, 19837385), (15, 11902431), (17, 10502145), (23, 7762455), (45, 3967477), (51, 3500715), (69, 2587485), (73, 2445705), (85, 2100429), (115, 1552491), (139, 1284435), (153, 1166905), (207, 862495), (219, 815235), (255, 700143), (345, 517497), (365, 489141), (391, 456615), (417, 428145), (657, 271745), (695, 256887), (765, 233381), (1035, 172499), (1095, 163047), (1173, 152205), (1241, 143865), (1251, 142715), (1679, 106335), (1955, 91323), (2085, 85629), (2363, 75555), (3197, 55845), (3285, 54349), (3519, 50735), (3723, 47955), (5037, 35445), (5865, 30441), (6205, 28773), (6255, 28543), (7089, 25185), (8395, 21267), (9591, 18615), (10147, 17595), (11169, 15985), (11815, 15111)]