21257290080

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1$

素因数の和:4722

約数の個数: 384

約数和(自身を含む): 81130170240

約数和(自身を除く): 59872880160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 486, 520, 540, 585, 624, 648, 702, 720, 729, 780, 810, 864, 936, 972, 1040, 1053, 1080, 1170, 1215, 1248, 1296, 1404, 1440, 1458, 1560, 1620, 1755, 1872, 1944, 2080, 2106, 2160, 2187, 2340, 2430, 2592, 2808, 2916, 3120, 3159, 3240, 3510, 3645, 3744, 3888, 4212, 4320, 4374, 4673, 4680, 4860, 5265, 5616, 5832, 6240, 6318, 6480, 7020, 7290, 7776, 8424, 8748, 9346, 9360, 9477, 9720, 10530, 10935, 11232, 11664, 12636, 12960, 14019, 14040, 14580, 15795, 16848, 17496, 18692, 18720, 18954, 19440, 21060, 21870, 23328, 23365, 25272, 28038, 28080, 28431, 29160, 31590, 33696, 34992, 37384, 37908, 38880, 42057, 42120, 43740, 46730, 47385, 50544, 56076, 56160, 56862, 58320, 60749, 63180, 69984, 70095, 74768, 75816, 84114, 84240, 87480, 93460, 94770, 101088, 112152, 113724, 116640, 121498, 126171, 126360, 140190, 142155, 149536, 151632, 168228, 168480, 174960, 182247, 186920, 189540, 210285, 224304, 227448, 242996, 252342, 252720, 280380, 284310, 303264, 303745, 336456, 349920, 364494, 373840, 378513, 379080, 420570, 448608, 454896, 485992, 504684, 505440, 546741, 560760, 568620, 607490, 630855, 672912, 728988, 747680, 757026, 758160, 841140, 909792, 911235, 971984, 1009368, 1093482, 1121520, 1135539, 1137240, 1214980, 1261710, 1345824, 1457976, 1514052, 1516320, 1640223, 1682280, 1822470, 1892565, 1943968, 2018736, 2186964, 2243040, 2271078, 2274480, 2429960, 2523420, 2733705, 2915952, 3028104, 3280446, 3364560, 3406617, 3644940, 3785130, 4037472, 4373928, 4542156, 4548960, 4859920, 4920669, 5046840, 5467410, 5677695, 5831904, 6056208, 6560892, 6729120, 6813234, 7289880, 7570260, 8201115, 8747856, 9084312, 9719840, 9841338, 10093680, 10219851, 10934820, 11355390, 12112416, 13121784, 13626468, 14579760, 14762007, 15140520, 16402230, 17033085, 17495712, 18168624, 19682676, 20187360, 20439702, 21869640, 22710780, 24603345, 26243568, 27252936, 29159520, 29524014, 30281040, 32804460, 34066170, 36337248, 39365352, 40879404, 43739280, 44286021, 45421560, 49206690, 51099255, 52487136, 54505872, 59048028, 60562080, 65608920, 68132340, 73810035, 78730704, 81758808, 87478560, 88572042, 90843120, 98413380, 102198510, 109011744, 118096056, 131217840, 132858063, 136264680, 147620070, 157461408, 163517616, 177144084, 181686240, 196826760, 204397020, 221430105, 236192112, 262435680, 265716126, 272529360, 295240140, 327035232, 354288168, 393653520, 408794040, 442860210, 472384224, 531432252, 545058720, 590480280, 664290315, 708576336, 787307040, 817588080, 885720420, 1062864504, 1180960560, 1328580630, 1417152672, 1635176160, 1771440840, 2125729008, 2361921120, 2657161260, 3542881680, 4251458016, 5314322520, 7085763360, 10628645040, 21257290080]

約数ペア:

[(1, 21257290080), (2, 10628645040), (3, 7085763360), (4, 5314322520), (5, 4251458016), (6, 3542881680), (8, 2657161260), (9, 2361921120), (10, 2125729008), (12, 1771440840), (13, 1635176160), (15, 1417152672), (16, 1328580630), (18, 1180960560), (20, 1062864504), (24, 885720420), (26, 817588080), (27, 787307040), (30, 708576336), (32, 664290315), (36, 590480280), (39, 545058720), (40, 531432252), (45, 472384224), (48, 442860210), (52, 408794040), (54, 393653520), (60, 354288168), (65, 327035232), (72, 295240140), (78, 272529360), (80, 265716126), (81, 262435680), (90, 236192112), (96, 221430105), (104, 204397020), (108, 196826760), (117, 181686240), (120, 177144084), (130, 163517616), (135, 157461408), (144, 147620070), (156, 136264680), (160, 132858063), (162, 131217840), (180, 118096056), (195, 109011744), (208, 102198510), (216, 98413380), (234, 90843120), (240, 88572042), (243, 87478560), (260, 81758808), (270, 78730704), (288, 73810035), (312, 68132340), (324, 65608920), (351, 60562080), (360, 59048028), (390, 54505872), (405, 52487136), (416, 51099255), (432, 49206690), (468, 45421560), (480, 44286021), (486, 43739280), (520, 40879404), (540, 39365352), (585, 36337248), (624, 34066170), (648, 32804460), (702, 30281040), (720, 29524014), (729, 29159520), (780, 27252936), (810, 26243568), (864, 24603345), (936, 22710780), (972, 21869640), (1040, 20439702), (1053, 20187360), (1080, 19682676), (1170, 18168624), (1215, 17495712), (1248, 17033085), (1296, 16402230), (1404, 15140520), (1440, 14762007), (1458, 14579760), (1560, 13626468), (1620, 13121784), (1755, 12112416), (1872, 11355390), (1944, 10934820), (2080, 10219851), (2106, 10093680), (2160, 9841338), (2187, 9719840), (2340, 9084312), (2430, 8747856), (2592, 8201115), (2808, 7570260), (2916, 7289880), (3120, 6813234), (3159, 6729120), (3240, 6560892), (3510, 6056208), (3645, 5831904), (3744, 5677695), (3888, 5467410), (4212, 5046840), (4320, 4920669), (4374, 4859920), (4673, 4548960), (4680, 4542156), (4860, 4373928), (5265, 4037472), (5616, 3785130), (5832, 3644940), (6240, 3406617), (6318, 3364560), (6480, 3280446), (7020, 3028104), (7290, 2915952), (7776, 2733705), (8424, 2523420), (8748, 2429960), (9346, 2274480), (9360, 2271078), (9477, 2243040), (9720, 2186964), (10530, 2018736), (10935, 1943968), (11232, 1892565), (11664, 1822470), (12636, 1682280), (12960, 1640223), (14019, 1516320), (14040, 1514052), (14580, 1457976), (15795, 1345824), (16848, 1261710), (17496, 1214980), (18692, 1137240), (18720, 1135539), (18954, 1121520), (19440, 1093482), (21060, 1009368), (21870, 971984), (23328, 911235), (23365, 909792), (25272, 841140), (28038, 758160), (28080, 757026), (28431, 747680), (29160, 728988), (31590, 672912), (33696, 630855), (34992, 607490), (37384, 568620), (37908, 560760), (38880, 546741), (42057, 505440), (42120, 504684), (43740, 485992), (46730, 454896), (47385, 448608), (50544, 420570), (56076, 379080), (56160, 378513), (56862, 373840), (58320, 364494), (60749, 349920), (63180, 336456), (69984, 303745), (70095, 303264), (74768, 284310), (75816, 280380), (84114, 252720), (84240, 252342), (87480, 242996), (93460, 227448), (94770, 224304), (101088, 210285), (112152, 189540), (113724, 186920), (116640, 182247), (121498, 174960), (126171, 168480), (126360, 168228), (140190, 151632), (142155, 149536)]