20805980160

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^2\times {\mathrm{6911}}^1$

素因数の和:6957

約数の個数: 312

約数和(自身を含む): 77450950656

約数和(自身を除く): 56644970496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1024, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2048, 2240, 2352, 2560, 2688, 2940, 3072, 3136, 3360, 3584, 3840, 3920, 4096, 4480, 4704, 5120, 5376, 5880, 6144, 6272, 6720, 6911, 7168, 7680, 7840, 8960, 9408, 10240, 10752, 11760, 12288, 12544, 13440, 13822, 14336, 15360, 15680, 17920, 18816, 20480, 20733, 21504, 23520, 25088, 26880, 27644, 28672, 30720, 31360, 34555, 35840, 37632, 41466, 43008, 47040, 48377, 50176, 53760, 55288, 61440, 62720, 69110, 71680, 75264, 82932, 86016, 94080, 96754, 100352, 103665, 107520, 110576, 125440, 138220, 143360, 145131, 150528, 165864, 188160, 193508, 200704, 207330, 215040, 221152, 241885, 250880, 276440, 290262, 301056, 331728, 338639, 376320, 387016, 414660, 430080, 442304, 483770, 501760, 552880, 580524, 602112, 663456, 677278, 725655, 752640, 774032, 829320, 884608, 967540, 1003520, 1015917, 1105760, 1161048, 1326912, 1354556, 1451310, 1505280, 1548064, 1658640, 1693195, 1769216, 1935080, 2031834, 2211520, 2322096, 2653824, 2709112, 2902620, 3010560, 3096128, 3317280, 3386390, 3538432, 3870160, 4063668, 4423040, 4644192, 5079585, 5307648, 5418224, 5805240, 6192256, 6634560, 6772780, 7076864, 7740320, 8127336, 8846080, 9288384, 10159170, 10615296, 10836448, 11610480, 12384512, 13269120, 13545560, 14153728, 15480640, 16254672, 17692160, 18576768, 20318340, 21230592, 21672896, 23220960, 24769024, 26538240, 27091120, 28307456, 30961280, 32509344, 35384320, 37153536, 40636680, 42461184, 43345792, 46441920, 49538048, 53076480, 54182240, 61922560, 65018688, 70768640, 74307072, 81273360, 84922368, 86691584, 92883840, 99076096, 106152960, 108364480, 123845120, 130037376, 141537280, 148614144, 162546720, 173383168, 185767680, 198152192, 212305920, 216728960, 247690240, 260074752, 297228288, 325093440, 346766336, 371535360, 424611840, 433457920, 495380480, 520149504, 594456576, 650186880, 693532672, 743070720, 866915840, 990760960, 1040299008, 1300373760, 1387065344, 1486141440, 1733831680, 2080598016, 2600747520, 2972282880, 3467663360, 4161196032, 5201495040, 6935326720, 10402990080, 20805980160]

約数ペア:

[(1, 20805980160), (2, 10402990080), (3, 6935326720), (4, 5201495040), (5, 4161196032), (6, 3467663360), (7, 2972282880), (8, 2600747520), (10, 2080598016), (12, 1733831680), (14, 1486141440), (15, 1387065344), (16, 1300373760), (20, 1040299008), (21, 990760960), (24, 866915840), (28, 743070720), (30, 693532672), (32, 650186880), (35, 594456576), (40, 520149504), (42, 495380480), (48, 433457920), (49, 424611840), (56, 371535360), (60, 346766336), (64, 325093440), (70, 297228288), (80, 260074752), (84, 247690240), (96, 216728960), (98, 212305920), (105, 198152192), (112, 185767680), (120, 173383168), (128, 162546720), (140, 148614144), (147, 141537280), (160, 130037376), (168, 123845120), (192, 108364480), (196, 106152960), (210, 99076096), (224, 92883840), (240, 86691584), (245, 84922368), (256, 81273360), (280, 74307072), (294, 70768640), (320, 65018688), (336, 61922560), (384, 54182240), (392, 53076480), (420, 49538048), (448, 46441920), (480, 43345792), (490, 42461184), (512, 40636680), (560, 37153536), (588, 35384320), (640, 32509344), (672, 30961280), (735, 28307456), (768, 27091120), (784, 26538240), (840, 24769024), (896, 23220960), (960, 21672896), (980, 21230592), (1024, 20318340), (1120, 18576768), (1176, 17692160), (1280, 16254672), (1344, 15480640), (1470, 14153728), (1536, 13545560), (1568, 13269120), (1680, 12384512), (1792, 11610480), (1920, 10836448), (1960, 10615296), (2048, 10159170), (2240, 9288384), (2352, 8846080), (2560, 8127336), (2688, 7740320), (2940, 7076864), (3072, 6772780), (3136, 6634560), (3360, 6192256), (3584, 5805240), (3840, 5418224), (3920, 5307648), (4096, 5079585), (4480, 4644192), (4704, 4423040), (5120, 4063668), (5376, 3870160), (5880, 3538432), (6144, 3386390), (6272, 3317280), (6720, 3096128), (6911, 3010560), (7168, 2902620), (7680, 2709112), (7840, 2653824), (8960, 2322096), (9408, 2211520), (10240, 2031834), (10752, 1935080), (11760, 1769216), (12288, 1693195), (12544, 1658640), (13440, 1548064), (13822, 1505280), (14336, 1451310), (15360, 1354556), (15680, 1326912), (17920, 1161048), (18816, 1105760), (20480, 1015917), (20733, 1003520), (21504, 967540), (23520, 884608), (25088, 829320), (26880, 774032), (27644, 752640), (28672, 725655), (30720, 677278), (31360, 663456), (34555, 602112), (35840, 580524), (37632, 552880), (41466, 501760), (43008, 483770), (47040, 442304), (48377, 430080), (50176, 414660), (53760, 387016), (55288, 376320), (61440, 338639), (62720, 331728), (69110, 301056), (71680, 290262), (75264, 276440), (82932, 250880), (86016, 241885), (94080, 221152), (96754, 215040), (100352, 207330), (103665, 200704), (107520, 193508), (110576, 188160), (125440, 165864), (138220, 150528), (143360, 145131)]