20998586880

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{659}}^1$

素因数の和:1152

約数の個数: 320

約数和(自身を含む): 74863958400

約数和(自身を除く): 53865371520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 461, 480, 512, 540, 576, 640, 659, 720, 768, 864, 922, 960, 1080, 1152, 1280, 1318, 1383, 1440, 1536, 1728, 1844, 1920, 1977, 2160, 2304, 2305, 2560, 2636, 2766, 2880, 3295, 3456, 3688, 3840, 3954, 4149, 4320, 4608, 4610, 5272, 5532, 5760, 5931, 6590, 6912, 6915, 7376, 7680, 7908, 8298, 8640, 9220, 9885, 10544, 11064, 11520, 11862, 12447, 13180, 13824, 13830, 14752, 15816, 16596, 17280, 17793, 18440, 19770, 20745, 21088, 22128, 23040, 23724, 24894, 26360, 27660, 29504, 29655, 31632, 33192, 34560, 35586, 36880, 39540, 41490, 42176, 44256, 47448, 49788, 52720, 55320, 59008, 59310, 62235, 63264, 66384, 69120, 71172, 73760, 79080, 82980, 84352, 88512, 88965, 94896, 99576, 105440, 110640, 118016, 118620, 124470, 126528, 132768, 142344, 147520, 158160, 165960, 168704, 177024, 177930, 189792, 199152, 210880, 221280, 236032, 237240, 248940, 253056, 265536, 284688, 295040, 303799, 316320, 331920, 337408, 354048, 355860, 379584, 398304, 421760, 442560, 474480, 497880, 506112, 531072, 569376, 590080, 607598, 632640, 663840, 708096, 711720, 759168, 796608, 843520, 885120, 911397, 948960, 995760, 1012224, 1062144, 1138752, 1180160, 1215196, 1265280, 1327680, 1423440, 1518336, 1518995, 1593216, 1687040, 1770240, 1822794, 1897920, 1991520, 2124288, 2277504, 2430392, 2530560, 2655360, 2734191, 2846880, 3036672, 3037990, 3186432, 3540480, 3645588, 3795840, 3983040, 4555008, 4556985, 4860784, 5061120, 5310720, 5468382, 5693760, 6075980, 6372864, 7291176, 7591680, 7966080, 8202573, 9110016, 9113970, 9721568, 10621440, 10936764, 11387520, 12151960, 13670955, 14582352, 15183360, 15932160, 16405146, 18227940, 19443136, 21873528, 22775040, 24303920, 27341910, 29164704, 31864320, 32810292, 36455880, 38886272, 41012865, 43747056, 45550080, 48607840, 54683820, 58329408, 65620584, 72911760, 77772544, 82025730, 87494112, 97215680, 109367640, 116658816, 131241168, 145823520, 155545088, 164051460, 174988224, 194431360, 218735280, 233317632, 262482336, 291647040, 328102920, 349976448, 388862720, 437470560, 466635264, 524964672, 583294080, 656205840, 699952896, 777725440, 874941120, 1049929344, 1166588160, 1312411680, 1399905792, 1749882240, 2099858688, 2333176320, 2624823360, 3499764480, 4199717376, 5249646720, 6999528960, 10499293440, 20998586880]

約数ペア:

[(1, 20998586880), (2, 10499293440), (3, 6999528960), (4, 5249646720), (5, 4199717376), (6, 3499764480), (8, 2624823360), (9, 2333176320), (10, 2099858688), (12, 1749882240), (15, 1399905792), (16, 1312411680), (18, 1166588160), (20, 1049929344), (24, 874941120), (27, 777725440), (30, 699952896), (32, 656205840), (36, 583294080), (40, 524964672), (45, 466635264), (48, 437470560), (54, 388862720), (60, 349976448), (64, 328102920), (72, 291647040), (80, 262482336), (90, 233317632), (96, 218735280), (108, 194431360), (120, 174988224), (128, 164051460), (135, 155545088), (144, 145823520), (160, 131241168), (180, 116658816), (192, 109367640), (216, 97215680), (240, 87494112), (256, 82025730), (270, 77772544), (288, 72911760), (320, 65620584), (360, 58329408), (384, 54683820), (432, 48607840), (461, 45550080), (480, 43747056), (512, 41012865), (540, 38886272), (576, 36455880), (640, 32810292), (659, 31864320), (720, 29164704), (768, 27341910), (864, 24303920), (922, 22775040), (960, 21873528), (1080, 19443136), (1152, 18227940), (1280, 16405146), (1318, 15932160), (1383, 15183360), (1440, 14582352), (1536, 13670955), (1728, 12151960), (1844, 11387520), (1920, 10936764), (1977, 10621440), (2160, 9721568), (2304, 9113970), (2305, 9110016), (2560, 8202573), (2636, 7966080), (2766, 7591680), (2880, 7291176), (3295, 6372864), (3456, 6075980), (3688, 5693760), (3840, 5468382), (3954, 5310720), (4149, 5061120), (4320, 4860784), (4608, 4556985), (4610, 4555008), (5272, 3983040), (5532, 3795840), (5760, 3645588), (5931, 3540480), (6590, 3186432), (6912, 3037990), (6915, 3036672), (7376, 2846880), (7680, 2734191), (7908, 2655360), (8298, 2530560), (8640, 2430392), (9220, 2277504), (9885, 2124288), (10544, 1991520), (11064, 1897920), (11520, 1822794), (11862, 1770240), (12447, 1687040), (13180, 1593216), (13824, 1518995), (13830, 1518336), (14752, 1423440), (15816, 1327680), (16596, 1265280), (17280, 1215196), (17793, 1180160), (18440, 1138752), (19770, 1062144), (20745, 1012224), (21088, 995760), (22128, 948960), (23040, 911397), (23724, 885120), (24894, 843520), (26360, 796608), (27660, 759168), (29504, 711720), (29655, 708096), (31632, 663840), (33192, 632640), (34560, 607598), (35586, 590080), (36880, 569376), (39540, 531072), (41490, 506112), (42176, 497880), (44256, 474480), (47448, 442560), (49788, 421760), (52720, 398304), (55320, 379584), (59008, 355860), (59310, 354048), (62235, 337408), (63264, 331920), (66384, 316320), (69120, 303799), (71172, 295040), (73760, 284688), (79080, 265536), (82980, 253056), (84352, 248940), (88512, 237240), (88965, 236032), (94896, 221280), (99576, 210880), (105440, 199152), (110640, 189792), (118016, 177930), (118620, 177024), (124470, 168704), (126528, 165960), (132768, 158160), (142344, 147520)]