1320380040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1571881}}^1$

素因数の和:1571902

約数の個数: 64

約数和(自身を含む): 4527020160

約数和(自身を除く): 3206640120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1571881, 3143762, 4715643, 6287524, 7859405, 9431286, 11003167, 12575048, 15718810, 18862572, 22006334, 23578215, 31437620, 33009501, 37725144, 44012668, 47156430, 55015835, 62875240, 66019002, 88025336, 94312860, 110031670, 132038004, 165047505, 188625720, 220063340, 264076008, 330095010, 440126680, 660190020, 1320380040]

約数ペア:

[(1, 1320380040), (2, 660190020), (3, 440126680), (4, 330095010), (5, 264076008), (6, 220063340), (7, 188625720), (8, 165047505), (10, 132038004), (12, 110031670), (14, 94312860), (15, 88025336), (20, 66019002), (21, 62875240), (24, 55015835), (28, 47156430), (30, 44012668), (35, 37725144), (40, 33009501), (42, 31437620), (56, 23578215), (60, 22006334), (70, 18862572), (84, 15718810), (105, 12575048), (120, 11003167), (140, 9431286), (168, 7859405), (210, 6287524), (280, 4715643), (420, 3143762), (840, 1571881)]