78885900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{9739}}^1$

素因数の和:9765

約数の個数: 90

約数和(自身を含む): 255743180

約数和(自身を除く): 176857280

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 9739, 19478, 29217, 38956, 48695, 58434, 87651, 97390, 116868, 146085, 175302, 194780, 243475, 262953, 292170, 350604, 438255, 486950, 525906, 584340, 730425, 788859, 876510, 973900, 1051812, 1314765, 1460850, 1577718, 1753020, 2191275, 2629530, 2921700, 3155436, 3944295, 4382550, 5259060, 6573825, 7888590, 8765100, 13147650, 15777180, 19721475, 26295300, 39442950, 78885900]

約数ペア:

[(1, 78885900), (2, 39442950), (3, 26295300), (4, 19721475), (5, 15777180), (6, 13147650), (9, 8765100), (10, 7888590), (12, 6573825), (15, 5259060), (18, 4382550), (20, 3944295), (25, 3155436), (27, 2921700), (30, 2629530), (36, 2191275), (45, 1753020), (50, 1577718), (54, 1460850), (60, 1314765), (75, 1051812), (81, 973900), (90, 876510), (100, 788859), (108, 730425), (135, 584340), (150, 525906), (162, 486950), (180, 438255), (225, 350604), (270, 292170), (300, 262953), (324, 243475), (405, 194780), (450, 175302), (540, 146085), (675, 116868), (810, 97390), (900, 87651), (1350, 58434), (1620, 48695), (2025, 38956), (2700, 29217), (4050, 19478), (8100, 9739)]