1806663320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{11971}}^1$

素因数の和:12014

約数の個数: 128

約数和(自身を含む): 5171904000

約数和(自身を除く): 3365240680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 343, 385, 392, 440, 490, 539, 616, 686, 770, 980, 1078, 1372, 1540, 1715, 1960, 2156, 2695, 2744, 3080, 3430, 3773, 4312, 5390, 6860, 7546, 10780, 11971, 13720, 15092, 18865, 21560, 23942, 30184, 37730, 47884, 59855, 75460, 83797, 95768, 119710, 131681, 150920, 167594, 239420, 263362, 335188, 418985, 478840, 526724, 586579, 658405, 670376, 837970, 921767, 1053448, 1173158, 1316810, 1675940, 1843534, 2346316, 2633620, 2932895, 3351880, 3687068, 4106053, 4608835, 4692632, 5267240, 5865790, 6452369, 7374136, 8212106, 9217670, 11731580, 12904738, 16424212, 18435340, 20530265, 23463160, 25809476, 32261845, 32848424, 36870680, 41060530, 45166583, 51618952, 64523690, 82121060, 90333166, 129047380, 164242120, 180666332, 225832915, 258094760, 361332664, 451665830, 903331660, 1806663320]

約数ペア:

[(1, 1806663320), (2, 903331660), (4, 451665830), (5, 361332664), (7, 258094760), (8, 225832915), (10, 180666332), (11, 164242120), (14, 129047380), (20, 90333166), (22, 82121060), (28, 64523690), (35, 51618952), (40, 45166583), (44, 41060530), (49, 36870680), (55, 32848424), (56, 32261845), (70, 25809476), (77, 23463160), (88, 20530265), (98, 18435340), (110, 16424212), (140, 12904738), (154, 11731580), (196, 9217670), (220, 8212106), (245, 7374136), (280, 6452369), (308, 5865790), (343, 5267240), (385, 4692632), (392, 4608835), (440, 4106053), (490, 3687068), (539, 3351880), (616, 2932895), (686, 2633620), (770, 2346316), (980, 1843534), (1078, 1675940), (1372, 1316810), (1540, 1173158), (1715, 1053448), (1960, 921767), (2156, 837970), (2695, 670376), (2744, 658405), (3080, 586579), (3430, 526724), (3773, 478840), (4312, 418985), (5390, 335188), (6860, 263362), (7546, 239420), (10780, 167594), (11971, 150920), (13720, 131681), (15092, 119710), (18865, 95768), (21560, 83797), (23942, 75460), (30184, 59855), (37730, 47884)]