21508316640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{12541}}^1$

素因数の和:12962

約数の個数: 192

約数和(自身を含む): 75474745920

約数和(自身を除く): 53966429280

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 397, 432, 480, 540, 720, 794, 864, 1080, 1191, 1440, 1588, 1985, 2160, 2382, 3176, 3573, 3970, 4320, 4764, 5955, 6352, 7146, 7940, 9528, 10719, 11910, 12541, 12704, 14292, 15880, 17865, 19056, 21438, 23820, 25082, 28584, 31760, 35730, 37623, 38112, 42876, 47640, 50164, 53595, 57168, 62705, 63520, 71460, 75246, 85752, 95280, 100328, 107190, 112869, 114336, 125410, 142920, 150492, 171504, 188115, 190560, 200656, 214380, 225738, 250820, 285840, 300984, 338607, 343008, 376230, 401312, 428760, 451476, 501640, 564345, 571680, 601968, 677214, 752460, 857520, 902952, 1003280, 1128690, 1203936, 1354428, 1504920, 1693035, 1715040, 1805904, 2006560, 2257380, 2708856, 3009840, 3386070, 3611808, 4514760, 4978777, 5417712, 6019680, 6772140, 9029520, 9957554, 10835424, 13544280, 14936331, 18059040, 19915108, 24893885, 27088560, 29872662, 39830216, 44808993, 49787770, 54177120, 59745324, 74681655, 79660432, 89617986, 99575540, 119490648, 134426979, 149363310, 159320864, 179235972, 199151080, 224044965, 238981296, 268853958, 298726620, 358471944, 398302160, 448089930, 477962592, 537707916, 597453240, 672134895, 716943888, 796604320, 896179860, 1075415832, 1194906480, 1344269790, 1433887776, 1792359720, 2150831664, 2389812960, 2688539580, 3584719440, 4301663328, 5377079160, 7169438880, 10754158320, 21508316640]

約数ペア:

[(1, 21508316640), (2, 10754158320), (3, 7169438880), (4, 5377079160), (5, 4301663328), (6, 3584719440), (8, 2688539580), (9, 2389812960), (10, 2150831664), (12, 1792359720), (15, 1433887776), (16, 1344269790), (18, 1194906480), (20, 1075415832), (24, 896179860), (27, 796604320), (30, 716943888), (32, 672134895), (36, 597453240), (40, 537707916), (45, 477962592), (48, 448089930), (54, 398302160), (60, 358471944), (72, 298726620), (80, 268853958), (90, 238981296), (96, 224044965), (108, 199151080), (120, 179235972), (135, 159320864), (144, 149363310), (160, 134426979), (180, 119490648), (216, 99575540), (240, 89617986), (270, 79660432), (288, 74681655), (360, 59745324), (397, 54177120), (432, 49787770), (480, 44808993), (540, 39830216), (720, 29872662), (794, 27088560), (864, 24893885), (1080, 19915108), (1191, 18059040), (1440, 14936331), (1588, 13544280), (1985, 10835424), (2160, 9957554), (2382, 9029520), (3176, 6772140), (3573, 6019680), (3970, 5417712), (4320, 4978777), (4764, 4514760), (5955, 3611808), (6352, 3386070), (7146, 3009840), (7940, 2708856), (9528, 2257380), (10719, 2006560), (11910, 1805904), (12541, 1715040), (12704, 1693035), (14292, 1504920), (15880, 1354428), (17865, 1203936), (19056, 1128690), (21438, 1003280), (23820, 902952), (25082, 857520), (28584, 752460), (31760, 677214), (35730, 601968), (37623, 571680), (38112, 564345), (42876, 501640), (47640, 451476), (50164, 428760), (53595, 401312), (57168, 376230), (62705, 343008), (63520, 338607), (71460, 300984), (75246, 285840), (85752, 250820), (95280, 225738), (100328, 214380), (107190, 200656), (112869, 190560), (114336, 188115), (125410, 171504), (142920, 150492)]