61280800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 176988672

約数和(自身を除く): 115707872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 353, 400, 434, 496, 560, 620, 700, 706, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1412, 1550, 1736, 1765, 2170, 2471, 2480, 2800, 2824, 3100, 3472, 3530, 4340, 4942, 4960, 5425, 5600, 5648, 6200, 6944, 7060, 8680, 8825, 9884, 10850, 10943, 11296, 12355, 12400, 14120, 17360, 17650, 19768, 21700, 21886, 24710, 24800, 28240, 34720, 35300, 39536, 43400, 43772, 49420, 54715, 56480, 61775, 70600, 76601, 79072, 86800, 87544, 98840, 109430, 123550, 141200, 153202, 173600, 175088, 197680, 218860, 247100, 273575, 282400, 306404, 350176, 383005, 395360, 437720, 494200, 547150, 612808, 766010, 875440, 988400, 1094300, 1225616, 1532020, 1750880, 1915025, 1976800, 2188600, 2451232, 3064040, 3830050, 4377200, 6128080, 7660100, 8754400, 12256160, 15320200, 30640400, 61280800]

約数ペア:

[(1, 61280800), (2, 30640400), (4, 15320200), (5, 12256160), (7, 8754400), (8, 7660100), (10, 6128080), (14, 4377200), (16, 3830050), (20, 3064040), (25, 2451232), (28, 2188600), (31, 1976800), (32, 1915025), (35, 1750880), (40, 1532020), (50, 1225616), (56, 1094300), (62, 988400), (70, 875440), (80, 766010), (100, 612808), (112, 547150), (124, 494200), (140, 437720), (155, 395360), (160, 383005), (175, 350176), (200, 306404), (217, 282400), (224, 273575), (248, 247100), (280, 218860), (310, 197680), (350, 175088), (353, 173600), (400, 153202), (434, 141200), (496, 123550), (560, 109430), (620, 98840), (700, 87544), (706, 86800), (775, 79072), (800, 76601), (868, 70600), (992, 61775), (1085, 56480), (1120, 54715), (1240, 49420), (1400, 43772), (1412, 43400), (1550, 39536), (1736, 35300), (1765, 34720), (2170, 28240), (2471, 24800), (2480, 24710), (2800, 21886), (2824, 21700), (3100, 19768), (3472, 17650), (3530, 17360), (4340, 14120), (4942, 12400), (4960, 12355), (5425, 11296), (5600, 10943), (5648, 10850), (6200, 9884), (6944, 8825), (7060, 8680)]