28123080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 85060800

約数和(自身を除く): 56937720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1789, 1965, 2620, 3144, 3578, 3930, 5240, 5367, 7156, 7860, 8945, 10734, 14312, 15720, 17890, 21468, 26835, 35780, 42936, 53670, 71560, 107340, 214680, 234359, 468718, 703077, 937436, 1171795, 1406154, 1874872, 2343590, 2812308, 3515385, 4687180, 5624616, 7030770, 9374360, 14061540, 28123080]

約数ペア:

[(1, 28123080), (2, 14061540), (3, 9374360), (4, 7030770), (5, 5624616), (6, 4687180), (8, 3515385), (10, 2812308), (12, 2343590), (15, 1874872), (20, 1406154), (24, 1171795), (30, 937436), (40, 703077), (60, 468718), (120, 234359), (131, 214680), (262, 107340), (393, 71560), (524, 53670), (655, 42936), (786, 35780), (1048, 26835), (1310, 21468), (1572, 17890), (1789, 15720), (1965, 14312), (2620, 10734), (3144, 8945), (3578, 7860), (3930, 7156), (5240, 5367)]