128600080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1753}}^1$

素因数の和:1904

約数の個数: 80

約数和(自身を含む): 344513664

約数和(自身を除く): 215913584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1753, 1834, 2096, 2620, 3506, 3668, 4585, 5240, 7012, 7336, 8765, 9170, 10480, 12271, 14024, 14672, 17530, 18340, 24542, 28048, 35060, 36680, 49084, 61355, 70120, 73360, 98168, 122710, 140240, 196336, 229643, 245420, 459286, 490840, 918572, 981680, 1148215, 1607501, 1837144, 2296430, 3215002, 3674288, 4592860, 6430004, 8037505, 9185720, 12860008, 16075010, 18371440, 25720016, 32150020, 64300040, 128600080]

約数ペア:

[(1, 128600080), (2, 64300040), (4, 32150020), (5, 25720016), (7, 18371440), (8, 16075010), (10, 12860008), (14, 9185720), (16, 8037505), (20, 6430004), (28, 4592860), (35, 3674288), (40, 3215002), (56, 2296430), (70, 1837144), (80, 1607501), (112, 1148215), (131, 981680), (140, 918572), (262, 490840), (280, 459286), (524, 245420), (560, 229643), (655, 196336), (917, 140240), (1048, 122710), (1310, 98168), (1753, 73360), (1834, 70120), (2096, 61355), (2620, 49084), (3506, 36680), (3668, 35060), (4585, 28048), (5240, 24542), (7012, 18340), (7336, 17530), (8765, 14672), (9170, 14024), (10480, 12271)]