858361840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66643}}^1$

素因数の和:66686

約数の個数: 80

約数和(自身を含む): 2379990528

約数和(自身を除く): 1521628688

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, 66643, 133286, 266572, 333215, 466501, 533144, 666430, 933002, 1066288, 1332860, 1532789, 1866004, 2332505, 2665720, 3065578, 3732008, 4665010, 5331440, 6131156, 7464016, 7663945, 9330020, 10729523, 12262312, 15327890, 18660040, 21459046, 24524624, 30655780, 37320080, 42918092, 53647615, 61311560, 85836184, 107295230, 122623120, 171672368, 214590460, 429180920, 858361840]

約数ペア:

[(1, 858361840), (2, 429180920), (4, 214590460), (5, 171672368), (7, 122623120), (8, 107295230), (10, 85836184), (14, 61311560), (16, 53647615), (20, 42918092), (23, 37320080), (28, 30655780), (35, 24524624), (40, 21459046), (46, 18660040), (56, 15327890), (70, 12262312), (80, 10729523), (92, 9330020), (112, 7663945), (115, 7464016), (140, 6131156), (161, 5331440), (184, 4665010), (230, 3732008), (280, 3065578), (322, 2665720), (368, 2332505), (460, 1866004), (560, 1532789), (644, 1332860), (805, 1066288), (920, 933002), (1288, 666430), (1610, 533144), (1840, 466501), (2576, 333215), (3220, 266572), (6440, 133286), (12880, 66643)]