128657700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2803}}^1$

素因数の和:2843

約数の個数: 144

約数和(自身を含む): 438096960

約数和(自身を除く): 309439260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 45, 50, 51, 54, 60, 68, 75, 85, 90, 100, 102, 108, 135, 150, 153, 170, 180, 204, 225, 255, 270, 300, 306, 340, 425, 450, 459, 510, 540, 612, 675, 765, 850, 900, 918, 1020, 1275, 1350, 1530, 1700, 1836, 2295, 2550, 2700, 2803, 3060, 3825, 4590, 5100, 5606, 7650, 8409, 9180, 11212, 11475, 14015, 15300, 16818, 22950, 25227, 28030, 33636, 42045, 45900, 47651, 50454, 56060, 70075, 75681, 84090, 95302, 100908, 126135, 140150, 142953, 151362, 168180, 190604, 210225, 238255, 252270, 280300, 285906, 302724, 378405, 420450, 428859, 476510, 504540, 571812, 630675, 714765, 756810, 840900, 857718, 953020, 1191275, 1261350, 1286577, 1429530, 1513620, 1715436, 1892025, 2144295, 2382550, 2522700, 2573154, 2859060, 3573825, 3784050, 4288590, 4765100, 5146308, 6432885, 7147650, 7568100, 8577180, 10721475, 12865770, 14295300, 21442950, 25731540, 32164425, 42885900, 64328850, 128657700]

約数ペア:

[(1, 128657700), (2, 64328850), (3, 42885900), (4, 32164425), (5, 25731540), (6, 21442950), (9, 14295300), (10, 12865770), (12, 10721475), (15, 8577180), (17, 7568100), (18, 7147650), (20, 6432885), (25, 5146308), (27, 4765100), (30, 4288590), (34, 3784050), (36, 3573825), (45, 2859060), (50, 2573154), (51, 2522700), (54, 2382550), (60, 2144295), (68, 1892025), (75, 1715436), (85, 1513620), (90, 1429530), (100, 1286577), (102, 1261350), (108, 1191275), (135, 953020), (150, 857718), (153, 840900), (170, 756810), (180, 714765), (204, 630675), (225, 571812), (255, 504540), (270, 476510), (300, 428859), (306, 420450), (340, 378405), (425, 302724), (450, 285906), (459, 280300), (510, 252270), (540, 238255), (612, 210225), (675, 190604), (765, 168180), (850, 151362), (900, 142953), (918, 140150), (1020, 126135), (1275, 100908), (1350, 95302), (1530, 84090), (1700, 75681), (1836, 70075), (2295, 56060), (2550, 50454), (2700, 47651), (2803, 45900), (3060, 42045), (3825, 33636), (4590, 28030), (5100, 25227), (5606, 22950), (7650, 16818), (8409, 15300), (9180, 14015), (11212, 11475)]