128115120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76259}}^1$

素因数の和:76282

約数の個数: 80

約数和(自身を含む): 453899520

約数和(自身を除く): 325784400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76259, 152518, 228777, 305036, 381295, 457554, 533813, 610072, 762590, 915108, 1067626, 1143885, 1220144, 1525180, 1601439, 1830216, 2135252, 2287770, 2669065, 3050360, 3202878, 3660432, 4270504, 4575540, 5338130, 6100720, 6405756, 8007195, 8541008, 9151080, 10676260, 12811512, 16014390, 18302160, 21352520, 25623024, 32028780, 42705040, 64057560, 128115120]

約数ペア:

[(1, 128115120), (2, 64057560), (3, 42705040), (4, 32028780), (5, 25623024), (6, 21352520), (7, 18302160), (8, 16014390), (10, 12811512), (12, 10676260), (14, 9151080), (15, 8541008), (16, 8007195), (20, 6405756), (21, 6100720), (24, 5338130), (28, 4575540), (30, 4270504), (35, 3660432), (40, 3202878), (42, 3050360), (48, 2669065), (56, 2287770), (60, 2135252), (70, 1830216), (80, 1601439), (84, 1525180), (105, 1220144), (112, 1143885), (120, 1067626), (140, 915108), (168, 762590), (210, 610072), (240, 533813), (280, 457554), (336, 381295), (420, 305036), (560, 228777), (840, 152518), (1680, 76259)]