2105880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 7603200

約数和(自身を除く): 5497320

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, 109, 115, 120, 138, 140, 161, 168, 184, 210, 218, 230, 276, 280, 322, 327, 345, 420, 436, 460, 483, 545, 552, 644, 654, 690, 763, 805, 840, 872, 920, 966, 1090, 1288, 1308, 1380, 1526, 1610, 1635, 1932, 2180, 2289, 2415, 2507, 2616, 2760, 3052, 3220, 3270, 3815, 3864, 4360, 4578, 4830, 5014, 6104, 6440, 6540, 7521, 7630, 9156, 9660, 10028, 11445, 12535, 13080, 15042, 15260, 17549, 18312, 19320, 20056, 22890, 25070, 30084, 30520, 35098, 37605, 45780, 50140, 52647, 60168, 70196, 75210, 87745, 91560, 100280, 105294, 140392, 150420, 175490, 210588, 263235, 300840, 350980, 421176, 526470, 701960, 1052940, 2105880]

約数ペア:

[(1, 2105880), (2, 1052940), (3, 701960), (4, 526470), (5, 421176), (6, 350980), (7, 300840), (8, 263235), (10, 210588), (12, 175490), (14, 150420), (15, 140392), (20, 105294), (21, 100280), (23, 91560), (24, 87745), (28, 75210), (30, 70196), (35, 60168), (40, 52647), (42, 50140), (46, 45780), (56, 37605), (60, 35098), (69, 30520), (70, 30084), (84, 25070), (92, 22890), (105, 20056), (109, 19320), (115, 18312), (120, 17549), (138, 15260), (140, 15042), (161, 13080), (168, 12535), (184, 11445), (210, 10028), (218, 9660), (230, 9156), (276, 7630), (280, 7521), (322, 6540), (327, 6440), (345, 6104), (420, 5014), (436, 4830), (460, 4578), (483, 4360), (545, 3864), (552, 3815), (644, 3270), (654, 3220), (690, 3052), (763, 2760), (805, 2616), (840, 2507), (872, 2415), (920, 2289), (966, 2180), (1090, 1932), (1288, 1635), (1308, 1610), (1380, 1526)]