31626840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1681

約数の個数: 128

約数和(自身を含む): 113218560

約数和(自身を除く): 81591720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1637, 1932, 2415, 2760, 3220, 3274, 3864, 4830, 4911, 6440, 6548, 8185, 9660, 9822, 11459, 13096, 16370, 19320, 19644, 22918, 24555, 32740, 34377, 37651, 39288, 45836, 49110, 57295, 65480, 68754, 75302, 91672, 98220, 112953, 114590, 137508, 150604, 171885, 188255, 196440, 225906, 229180, 263557, 275016, 301208, 343770, 376510, 451812, 458360, 527114, 564765, 687540, 753020, 790671, 903624, 1054228, 1129530, 1317785, 1375080, 1506040, 1581342, 2108456, 2259060, 2635570, 3162684, 3953355, 4518120, 5271140, 6325368, 7906710, 10542280, 15813420, 31626840]

約数ペア:

[(1, 31626840), (2, 15813420), (3, 10542280), (4, 7906710), (5, 6325368), (6, 5271140), (7, 4518120), (8, 3953355), (10, 3162684), (12, 2635570), (14, 2259060), (15, 2108456), (20, 1581342), (21, 1506040), (23, 1375080), (24, 1317785), (28, 1129530), (30, 1054228), (35, 903624), (40, 790671), (42, 753020), (46, 687540), (56, 564765), (60, 527114), (69, 458360), (70, 451812), (84, 376510), (92, 343770), (105, 301208), (115, 275016), (120, 263557), (138, 229180), (140, 225906), (161, 196440), (168, 188255), (184, 171885), (210, 150604), (230, 137508), (276, 114590), (280, 112953), (322, 98220), (345, 91672), (420, 75302), (460, 68754), (483, 65480), (552, 57295), (644, 49110), (690, 45836), (805, 39288), (840, 37651), (920, 34377), (966, 32740), (1288, 24555), (1380, 22918), (1610, 19644), (1637, 19320), (1932, 16370), (2415, 13096), (2760, 11459), (3220, 9822), (3274, 9660), (3864, 8185), (4830, 6548), (4911, 6440)]