120280000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 140

約数和(自身を含む): 311050432

約数和(自身を除く): 190770432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 97, 100, 124, 125, 155, 160, 194, 200, 248, 250, 310, 320, 388, 400, 485, 496, 500, 620, 625, 775, 776, 800, 970, 992, 1000, 1240, 1250, 1550, 1552, 1600, 1940, 1984, 2000, 2425, 2480, 2500, 3007, 3100, 3104, 3875, 3880, 4000, 4850, 4960, 5000, 6014, 6200, 6208, 7750, 7760, 8000, 9700, 9920, 10000, 12028, 12125, 12400, 15035, 15500, 15520, 19375, 19400, 20000, 24056, 24250, 24800, 30070, 31000, 31040, 38750, 38800, 40000, 48112, 48500, 49600, 60140, 60625, 62000, 75175, 77500, 77600, 96224, 97000, 120280, 121250, 124000, 150350, 155000, 155200, 192448, 194000, 240560, 242500, 248000, 300700, 310000, 375875, 388000, 481120, 485000, 601400, 620000, 751750, 776000, 962240, 970000, 1202800, 1240000, 1503500, 1879375, 1940000, 2405600, 3007000, 3758750, 3880000, 4811200, 6014000, 7517500, 12028000, 15035000, 24056000, 30070000, 60140000, 120280000]

約数ペア:

[(1, 120280000), (2, 60140000), (4, 30070000), (5, 24056000), (8, 15035000), (10, 12028000), (16, 7517500), (20, 6014000), (25, 4811200), (31, 3880000), (32, 3758750), (40, 3007000), (50, 2405600), (62, 1940000), (64, 1879375), (80, 1503500), (97, 1240000), (100, 1202800), (124, 970000), (125, 962240), (155, 776000), (160, 751750), (194, 620000), (200, 601400), (248, 485000), (250, 481120), (310, 388000), (320, 375875), (388, 310000), (400, 300700), (485, 248000), (496, 242500), (500, 240560), (620, 194000), (625, 192448), (775, 155200), (776, 155000), (800, 150350), (970, 124000), (992, 121250), (1000, 120280), (1240, 97000), (1250, 96224), (1550, 77600), (1552, 77500), (1600, 75175), (1940, 62000), (1984, 60625), (2000, 60140), (2425, 49600), (2480, 48500), (2500, 48112), (3007, 40000), (3100, 38800), (3104, 38750), (3875, 31040), (3880, 31000), (4000, 30070), (4850, 24800), (4960, 24250), (5000, 24056), (6014, 20000), (6200, 19400), (6208, 19375), (7750, 15520), (7760, 15500), (8000, 15035), (9700, 12400), (9920, 12125), (10000, 12028)]