201481840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15643}}^1$

素因数の和:15686

約数の個数: 80

約数和(自身を含む): 558678528

約数和(自身を除く): 357196688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 15643, 31286, 62572, 78215, 109501, 125144, 156430, 219002, 250288, 312860, 359789, 438004, 547505, 625720, 719578, 876008, 1095010, 1251440, 1439156, 1752016, 1798945, 2190020, 2518523, 2878312, 3597890, 4380040, 5037046, 5756624, 7195780, 8760080, 10074092, 12592615, 14391560, 20148184, 25185230, 28783120, 40296368, 50370460, 100740920, 201481840]

約数ペア:

[(1, 201481840), (2, 100740920), (4, 50370460), (5, 40296368), (7, 28783120), (8, 25185230), (10, 20148184), (14, 14391560), (16, 12592615), (20, 10074092), (23, 8760080), (28, 7195780), (35, 5756624), (40, 5037046), (46, 4380040), (56, 3597890), (70, 2878312), (80, 2518523), (92, 2190020), (112, 1798945), (115, 1752016), (140, 1439156), (161, 1251440), (184, 1095010), (230, 876008), (280, 719578), (322, 625720), (368, 547505), (460, 438004), (560, 359789), (644, 312860), (805, 250288), (920, 219002), (1288, 156430), (1610, 125144), (1840, 109501), (2576, 78215), (3220, 62572), (6440, 31286), (12880, 15643)]