12780484125

素因数分解:

$3^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:384

約数の個数: 128

約数和(自身を含む): 22574522880

約数和(自身を除く): 9794038755

約数列:

[1, 3, 5, 15, 25, 41, 59, 73, 75, 123, 125, 177, 193, 205, 219, 295, 365, 375, 579, 615, 885, 965, 1025, 1095, 1475, 1825, 2419, 2895, 2993, 3075, 4307, 4425, 4825, 5125, 5475, 7257, 7375, 7913, 8979, 9125, 11387, 12095, 12921, 14089, 14475, 14965, 15375, 21535, 22125, 23739, 24125, 27375, 34161, 36285, 39565, 42267, 44895, 56935, 60475, 64605, 70445, 72375, 74825, 107675, 118695, 170805, 176587, 181425, 197825, 211335, 224475, 284675, 302375, 323025, 352225, 374125, 466867, 529761, 538375, 577649, 593475, 831251, 854025, 882935, 907125, 989125, 1056675, 1122375, 1400601, 1423375, 1615125, 1732947, 1761125, 2334335, 2493753, 2648805, 2888245, 2967375, 4156255, 4270125, 4414675, 5283375, 7003005, 8664735, 11671675, 12468765, 13244025, 14441225, 20781275, 22073375, 34081291, 35015025, 43323675, 58358375, 62343825, 66220125, 72206125, 102243873, 103906375, 170406455, 175075125, 216618375, 311719125, 511219365, 852032275, 2556096825, 4260161375, 12780484125]

約数ペア:

[(1, 12780484125), (3, 4260161375), (5, 2556096825), (15, 852032275), (25, 511219365), (41, 311719125), (59, 216618375), (73, 175075125), (75, 170406455), (123, 103906375), (125, 102243873), (177, 72206125), (193, 66220125), (205, 62343825), (219, 58358375), (295, 43323675), (365, 35015025), (375, 34081291), (579, 22073375), (615, 20781275), (885, 14441225), (965, 13244025), (1025, 12468765), (1095, 11671675), (1475, 8664735), (1825, 7003005), (2419, 5283375), (2895, 4414675), (2993, 4270125), (3075, 4156255), (4307, 2967375), (4425, 2888245), (4825, 2648805), (5125, 2493753), (5475, 2334335), (7257, 1761125), (7375, 1732947), (7913, 1615125), (8979, 1423375), (9125, 1400601), (11387, 1122375), (12095, 1056675), (12921, 989125), (14089, 907125), (14475, 882935), (14965, 854025), (15375, 831251), (21535, 593475), (22125, 577649), (23739, 538375), (24125, 529761), (27375, 466867), (34161, 374125), (36285, 352225), (39565, 323025), (42267, 302375), (44895, 284675), (56935, 224475), (60475, 211335), (64605, 197825), (70445, 181425), (72375, 176587), (74825, 170805), (107675, 118695)]