66445680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39551}}^1$

素因数の和:39574

約数の個数: 80

約数和(自身を含む): 235413504

約数和(自身を除く): 168967824

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, 39551, 79102, 118653, 158204, 197755, 237306, 276857, 316408, 395510, 474612, 553714, 593265, 632816, 791020, 830571, 949224, 1107428, 1186530, 1384285, 1582040, 1661142, 1898448, 2214856, 2373060, 2768570, 3164080, 3322284, 4152855, 4429712, 4746120, 5537140, 6644568, 8305710, 9492240, 11074280, 13289136, 16611420, 22148560, 33222840, 66445680]

約数ペア:

[(1, 66445680), (2, 33222840), (3, 22148560), (4, 16611420), (5, 13289136), (6, 11074280), (7, 9492240), (8, 8305710), (10, 6644568), (12, 5537140), (14, 4746120), (15, 4429712), (16, 4152855), (20, 3322284), (21, 3164080), (24, 2768570), (28, 2373060), (30, 2214856), (35, 1898448), (40, 1661142), (42, 1582040), (48, 1384285), (56, 1186530), (60, 1107428), (70, 949224), (80, 830571), (84, 791020), (105, 632816), (112, 593265), (120, 553714), (140, 474612), (168, 395510), (210, 316408), (240, 276857), (280, 237306), (336, 197755), (420, 158204), (560, 118653), (840, 79102), (1680, 39551)]