28516080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1054

約数の個数: 80

約数和(自身を含む): 89172864

約数和(自身を除く): 60656784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 907, 1048, 1310, 1572, 1814, 1965, 2096, 2620, 2721, 3144, 3628, 3930, 4535, 5240, 5442, 6288, 7256, 7860, 9070, 10480, 10884, 13605, 14512, 15720, 18140, 21768, 27210, 31440, 36280, 43536, 54420, 72560, 108840, 118817, 217680, 237634, 356451, 475268, 594085, 712902, 950536, 1188170, 1425804, 1782255, 1901072, 2376340, 2851608, 3564510, 4752680, 5703216, 7129020, 9505360, 14258040, 28516080]

約数ペア:

[(1, 28516080), (2, 14258040), (3, 9505360), (4, 7129020), (5, 5703216), (6, 4752680), (8, 3564510), (10, 2851608), (12, 2376340), (15, 1901072), (16, 1782255), (20, 1425804), (24, 1188170), (30, 950536), (40, 712902), (48, 594085), (60, 475268), (80, 356451), (120, 237634), (131, 217680), (240, 118817), (262, 108840), (393, 72560), (524, 54420), (655, 43536), (786, 36280), (907, 31440), (1048, 27210), (1310, 21768), (1572, 18140), (1814, 15720), (1965, 14512), (2096, 13605), (2620, 10884), (2721, 10480), (3144, 9070), (3628, 7860), (3930, 7256), (4535, 6288), (5240, 5442)]