2128980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 7047936

約数和(自身を除く): 4918956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 137, 140, 148, 185, 210, 222, 259, 274, 370, 411, 420, 444, 518, 548, 555, 685, 740, 777, 822, 959, 1036, 1110, 1295, 1370, 1554, 1644, 1918, 2055, 2220, 2590, 2740, 2877, 3108, 3836, 3885, 4110, 4795, 5069, 5180, 5754, 7770, 8220, 9590, 10138, 11508, 14385, 15207, 15540, 19180, 20276, 25345, 28770, 30414, 35483, 50690, 57540, 60828, 70966, 76035, 101380, 106449, 141932, 152070, 177415, 212898, 304140, 354830, 425796, 532245, 709660, 1064490, 2128980]

約数ペア:

[(1, 2128980), (2, 1064490), (3, 709660), (4, 532245), (5, 425796), (6, 354830), (7, 304140), (10, 212898), (12, 177415), (14, 152070), (15, 141932), (20, 106449), (21, 101380), (28, 76035), (30, 70966), (35, 60828), (37, 57540), (42, 50690), (60, 35483), (70, 30414), (74, 28770), (84, 25345), (105, 20276), (111, 19180), (137, 15540), (140, 15207), (148, 14385), (185, 11508), (210, 10138), (222, 9590), (259, 8220), (274, 7770), (370, 5754), (411, 5180), (420, 5069), (444, 4795), (518, 4110), (548, 3885), (555, 3836), (685, 3108), (740, 2877), (777, 2740), (822, 2590), (959, 2220), (1036, 2055), (1110, 1918), (1295, 1644), (1370, 1554)]