76812800

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:398

約数の個数: 120

約数和(自身を含む): 202075236

約数和(自身を除く): 125262436

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 353, 400, 425, 512, 544, 640, 680, 706, 800, 850, 1088, 1280, 1360, 1412, 1600, 1700, 1765, 2176, 2560, 2720, 2824, 3200, 3400, 3530, 4352, 5440, 5648, 6001, 6400, 6800, 7060, 8704, 8825, 10880, 11296, 12002, 12800, 13600, 14120, 17650, 21760, 22592, 24004, 27200, 28240, 30005, 35300, 43520, 45184, 48008, 54400, 56480, 60010, 70600, 90368, 96016, 108800, 112960, 120020, 141200, 150025, 180736, 192032, 217600, 225920, 240040, 282400, 300050, 384064, 451840, 480080, 564800, 600100, 768128, 903680, 960160, 1129600, 1200200, 1536256, 1920320, 2259200, 2400400, 3072512, 3840640, 4518400, 4800800, 7681280, 9601600, 15362560, 19203200, 38406400, 76812800]

約数ペア:

[(1, 76812800), (2, 38406400), (4, 19203200), (5, 15362560), (8, 9601600), (10, 7681280), (16, 4800800), (17, 4518400), (20, 3840640), (25, 3072512), (32, 2400400), (34, 2259200), (40, 1920320), (50, 1536256), (64, 1200200), (68, 1129600), (80, 960160), (85, 903680), (100, 768128), (128, 600100), (136, 564800), (160, 480080), (170, 451840), (200, 384064), (256, 300050), (272, 282400), (320, 240040), (340, 225920), (353, 217600), (400, 192032), (425, 180736), (512, 150025), (544, 141200), (640, 120020), (680, 112960), (706, 108800), (800, 96016), (850, 90368), (1088, 70600), (1280, 60010), (1360, 56480), (1412, 54400), (1600, 48008), (1700, 45184), (1765, 43520), (2176, 35300), (2560, 30005), (2720, 28240), (2824, 27200), (3200, 24004), (3400, 22592), (3530, 21760), (4352, 17650), (5440, 14120), (5648, 13600), (6001, 12800), (6400, 12002), (6800, 11296), (7060, 10880), (8704, 8825)]