2163840

素因数分解:

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

素因数の和:59

約数の個数: 192

約数和(自身を含む): 8372160

約数和(自身を除く): 6208320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 49, 56, 60, 64, 69, 70, 80, 84, 92, 96, 98, 105, 112, 115, 120, 128, 138, 140, 147, 160, 161, 168, 184, 192, 196, 210, 224, 230, 240, 245, 276, 280, 294, 320, 322, 336, 345, 368, 384, 392, 420, 448, 460, 480, 483, 490, 552, 560, 588, 640, 644, 672, 690, 735, 736, 784, 805, 840, 896, 920, 960, 966, 980, 1104, 1120, 1127, 1176, 1288, 1344, 1380, 1470, 1472, 1568, 1610, 1680, 1840, 1920, 1932, 1960, 2208, 2240, 2254, 2352, 2415, 2576, 2688, 2760, 2940, 2944, 3136, 3220, 3360, 3381, 3680, 3864, 3920, 4416, 4480, 4508, 4704, 4830, 5152, 5520, 5635, 5880, 6272, 6440, 6720, 6762, 7360, 7728, 7840, 8832, 9016, 9408, 9660, 10304, 11040, 11270, 11760, 12880, 13440, 13524, 14720, 15456, 15680, 16905, 18032, 18816, 19320, 20608, 22080, 22540, 23520, 25760, 27048, 30912, 31360, 33810, 36064, 38640, 44160, 45080, 47040, 51520, 54096, 61824, 67620, 72128, 77280, 90160, 94080, 103040, 108192, 135240, 144256, 154560, 180320, 216384, 270480, 309120, 360640, 432768, 540960, 721280, 1081920, 2163840]

約数ペア:

[(1, 2163840), (2, 1081920), (3, 721280), (4, 540960), (5, 432768), (6, 360640), (7, 309120), (8, 270480), (10, 216384), (12, 180320), (14, 154560), (15, 144256), (16, 135240), (20, 108192), (21, 103040), (23, 94080), (24, 90160), (28, 77280), (30, 72128), (32, 67620), (35, 61824), (40, 54096), (42, 51520), (46, 47040), (48, 45080), (49, 44160), (56, 38640), (60, 36064), (64, 33810), (69, 31360), (70, 30912), (80, 27048), (84, 25760), (92, 23520), (96, 22540), (98, 22080), (105, 20608), (112, 19320), (115, 18816), (120, 18032), (128, 16905), (138, 15680), (140, 15456), (147, 14720), (160, 13524), (161, 13440), (168, 12880), (184, 11760), (192, 11270), (196, 11040), (210, 10304), (224, 9660), (230, 9408), (240, 9016), (245, 8832), (276, 7840), (280, 7728), (294, 7360), (320, 6762), (322, 6720), (336, 6440), (345, 6272), (368, 5880), (384, 5635), (392, 5520), (420, 5152), (448, 4830), (460, 4704), (480, 4508), (483, 4480), (490, 4416), (552, 3920), (560, 3864), (588, 3680), (640, 3381), (644, 3360), (672, 3220), (690, 3136), (735, 2944), (736, 2940), (784, 2760), (805, 2688), (840, 2576), (896, 2415), (920, 2352), (960, 2254), (966, 2240), (980, 2208), (1104, 1960), (1120, 1932), (1127, 1920), (1176, 1840), (1288, 1680), (1344, 1610), (1380, 1568), (1470, 1472)]