81368400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{67807}}^1$

素因数の和:67828

約数の個数: 60

約数和(自身を含む): 260653952

約数和(自身を除く): 179285552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 67807, 135614, 203421, 271228, 339035, 406842, 542456, 678070, 813684, 1017105, 1084912, 1356140, 1627368, 1695175, 2034210, 2712280, 3254736, 3390350, 4068420, 5085525, 5424560, 6780700, 8136840, 10171050, 13561400, 16273680, 20342100, 27122800, 40684200, 81368400]

約数ペア:

[(1, 81368400), (2, 40684200), (3, 27122800), (4, 20342100), (5, 16273680), (6, 13561400), (8, 10171050), (10, 8136840), (12, 6780700), (15, 5424560), (16, 5085525), (20, 4068420), (24, 3390350), (25, 3254736), (30, 2712280), (40, 2034210), (48, 1695175), (50, 1627368), (60, 1356140), (75, 1084912), (80, 1017105), (100, 813684), (120, 678070), (150, 542456), (200, 406842), (240, 339035), (300, 271228), (400, 203421), (600, 135614), (1200, 67807)]