20576801280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{54679}}^1$

素因数の和:54719

約数の個数: 240

約数和(自身を含む): 76522691520

約数和(自身を除く): 55945890240

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, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2560, 2688, 2940, 3136, 3360, 3584, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6720, 7680, 7840, 8960, 9408, 10752, 11760, 12544, 13440, 15680, 17920, 18816, 23520, 25088, 26880, 31360, 37632, 47040, 53760, 54679, 62720, 75264, 94080, 109358, 125440, 164037, 188160, 218716, 273395, 328074, 376320, 382753, 437432, 546790, 656148, 765506, 820185, 874864, 1093580, 1148259, 1312296, 1531012, 1640370, 1749728, 1913765, 2187160, 2296518, 2624592, 2679271, 3062024, 3280740, 3499456, 3827530, 4374320, 4593036, 5249184, 5358542, 5741295, 6124048, 6561480, 6998912, 7655060, 8037813, 8748640, 9186072, 10498368, 10717084, 11482590, 12248096, 13122960, 13396355, 13997824, 15310120, 16075626, 17497280, 18372144, 20996736, 21434168, 22965180, 24496192, 26245920, 26792710, 27995648, 30620240, 32151252, 34994560, 36744288, 40189065, 41993472, 42868336, 45930360, 48992384, 52491840, 53585420, 61240480, 64302504, 69989120, 73488576, 80378130, 83986944, 85736672, 91860720, 97984768, 104983680, 107170840, 122480960, 128605008, 139978240, 146977152, 160756260, 171473344, 183721440, 195969536, 209967360, 214341680, 244961920, 257210016, 293954304, 321512520, 342946688, 367442880, 419934720, 428683360, 489923840, 514420032, 587908608, 643025040, 685893376, 734885760, 857366720, 979847680, 1028840064, 1286050080, 1371786752, 1469771520, 1714733440, 2057680128, 2572100160, 2939543040, 3429466880, 4115360256, 5144200320, 6858933760, 10288400640, 20576801280]

約数ペア:

[(1, 20576801280), (2, 10288400640), (3, 6858933760), (4, 5144200320), (5, 4115360256), (6, 3429466880), (7, 2939543040), (8, 2572100160), (10, 2057680128), (12, 1714733440), (14, 1469771520), (15, 1371786752), (16, 1286050080), (20, 1028840064), (21, 979847680), (24, 857366720), (28, 734885760), (30, 685893376), (32, 643025040), (35, 587908608), (40, 514420032), (42, 489923840), (48, 428683360), (49, 419934720), (56, 367442880), (60, 342946688), (64, 321512520), (70, 293954304), (80, 257210016), (84, 244961920), (96, 214341680), (98, 209967360), (105, 195969536), (112, 183721440), (120, 171473344), (128, 160756260), (140, 146977152), (147, 139978240), (160, 128605008), (168, 122480960), (192, 107170840), (196, 104983680), (210, 97984768), (224, 91860720), (240, 85736672), (245, 83986944), (256, 80378130), (280, 73488576), (294, 69989120), (320, 64302504), (336, 61240480), (384, 53585420), (392, 52491840), (420, 48992384), (448, 45930360), (480, 42868336), (490, 41993472), (512, 40189065), (560, 36744288), (588, 34994560), (640, 32151252), (672, 30620240), (735, 27995648), (768, 26792710), (784, 26245920), (840, 24496192), (896, 22965180), (960, 21434168), (980, 20996736), (1120, 18372144), (1176, 17497280), (1280, 16075626), (1344, 15310120), (1470, 13997824), (1536, 13396355), (1568, 13122960), (1680, 12248096), (1792, 11482590), (1920, 10717084), (1960, 10498368), (2240, 9186072), (2352, 8748640), (2560, 8037813), (2688, 7655060), (2940, 6998912), (3136, 6561480), (3360, 6124048), (3584, 5741295), (3840, 5358542), (3920, 5249184), (4480, 4593036), (4704, 4374320), (5376, 3827530), (5880, 3499456), (6272, 3280740), (6720, 3062024), (7680, 2679271), (7840, 2624592), (8960, 2296518), (9408, 2187160), (10752, 1913765), (11760, 1749728), (12544, 1640370), (13440, 1531012), (15680, 1312296), (17920, 1148259), (18816, 1093580), (23520, 874864), (25088, 820185), (26880, 765506), (31360, 656148), (37632, 546790), (47040, 437432), (53760, 382753), (54679, 376320), (62720, 328074), (75264, 273395), (94080, 218716), (109358, 188160), (125440, 164037)]