81990384

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 243317760

約数和(自身を除く): 161327376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 478, 717, 956, 1021, 1434, 1673, 1912, 2042, 2868, 3063, 3346, 3824, 4084, 5019, 5736, 6126, 6692, 7147, 8168, 10038, 11472, 12252, 13384, 14294, 16336, 20076, 21441, 24504, 26768, 28588, 40152, 42882, 49008, 57176, 80304, 85764, 114352, 171528, 244019, 343056, 488038, 732057, 976076, 1464114, 1708133, 1952152, 2928228, 3416266, 3904304, 5124399, 5856456, 6832532, 10248798, 11712912, 13665064, 20497596, 27330128, 40995192, 81990384]

約数ペア:

[(1, 81990384), (2, 40995192), (3, 27330128), (4, 20497596), (6, 13665064), (7, 11712912), (8, 10248798), (12, 6832532), (14, 5856456), (16, 5124399), (21, 3904304), (24, 3416266), (28, 2928228), (42, 1952152), (48, 1708133), (56, 1464114), (84, 976076), (112, 732057), (168, 488038), (239, 343056), (336, 244019), (478, 171528), (717, 114352), (956, 85764), (1021, 80304), (1434, 57176), (1673, 49008), (1912, 42882), (2042, 40152), (2868, 28588), (3063, 26768), (3346, 24504), (3824, 21441), (4084, 20076), (5019, 16336), (5736, 14294), (6126, 13384), (6692, 12252), (7147, 11472), (8168, 10038)]