287640080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39511}}^1$

素因数の和:39544

約数の個数: 80

約数和(自身を含む): 823113984

約数和(自身を除く): 535473904

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 39511, 79022, 158044, 197555, 276577, 316088, 395110, 513643, 553154, 632176, 790220, 1027286, 1106308, 1382885, 1580440, 2054572, 2212616, 2568215, 2765770, 3160880, 3595501, 4109144, 4425232, 5136430, 5531540, 7191002, 8218288, 10272860, 11063080, 14382004, 17977505, 20545720, 22126160, 28764008, 35955010, 41091440, 57528016, 71910020, 143820040, 287640080]

約数ペア:

[(1, 287640080), (2, 143820040), (4, 71910020), (5, 57528016), (7, 41091440), (8, 35955010), (10, 28764008), (13, 22126160), (14, 20545720), (16, 17977505), (20, 14382004), (26, 11063080), (28, 10272860), (35, 8218288), (40, 7191002), (52, 5531540), (56, 5136430), (65, 4425232), (70, 4109144), (80, 3595501), (91, 3160880), (104, 2765770), (112, 2568215), (130, 2212616), (140, 2054572), (182, 1580440), (208, 1382885), (260, 1106308), (280, 1027286), (364, 790220), (455, 632176), (520, 553154), (560, 513643), (728, 395110), (910, 316088), (1040, 276577), (1456, 197555), (1820, 158044), (3640, 79022), (7280, 39511)]