21481390080

素因数分解:

$2^{18}\times 3^3\times 5^1\times {\mathrm{607}}^1$

素因数の和:657

約数の個数: 304

約数和(自身を含む): 76503959040

約数和(自身を除く): 55022568960

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, 480, 512, 540, 576, 607, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1214, 1280, 1440, 1536, 1728, 1821, 1920, 2048, 2160, 2304, 2428, 2560, 2880, 3035, 3072, 3456, 3642, 3840, 4096, 4320, 4608, 4856, 5120, 5463, 5760, 6070, 6144, 6912, 7284, 7680, 8192, 8640, 9105, 9216, 9712, 10240, 10926, 11520, 12140, 12288, 13824, 14568, 15360, 16384, 16389, 17280, 18210, 18432, 19424, 20480, 21852, 23040, 24280, 24576, 27315, 27648, 29136, 30720, 32768, 32778, 34560, 36420, 36864, 38848, 40960, 43704, 46080, 48560, 49152, 54630, 55296, 58272, 61440, 65536, 65556, 69120, 72840, 73728, 77696, 81920, 81945, 87408, 92160, 97120, 98304, 109260, 110592, 116544, 122880, 131072, 131112, 138240, 145680, 147456, 155392, 163840, 163890, 174816, 184320, 194240, 196608, 218520, 221184, 233088, 245760, 262144, 262224, 276480, 291360, 294912, 310784, 327680, 327780, 349632, 368640, 388480, 393216, 437040, 442368, 466176, 491520, 524448, 552960, 582720, 589824, 621568, 655360, 655560, 699264, 737280, 776960, 786432, 874080, 884736, 932352, 983040, 1048896, 1105920, 1165440, 1179648, 1243136, 1310720, 1311120, 1398528, 1474560, 1553920, 1748160, 1769472, 1864704, 1966080, 2097792, 2211840, 2330880, 2359296, 2486272, 2622240, 2797056, 2949120, 3107840, 3496320, 3538944, 3729408, 3932160, 4195584, 4423680, 4661760, 4972544, 5244480, 5594112, 5898240, 6215680, 6992640, 7077888, 7458816, 8391168, 8847360, 9323520, 9945088, 10488960, 11188224, 11796480, 12431360, 13985280, 14917632, 16782336, 17694720, 18647040, 19890176, 20977920, 22376448, 24862720, 27970560, 29835264, 33564672, 35389440, 37294080, 39780352, 41955840, 44752896, 49725440, 55941120, 59670528, 67129344, 74588160, 79560704, 83911680, 89505792, 99450880, 111882240, 119341056, 134258688, 149176320, 159121408, 167823360, 179011584, 198901760, 223764480, 238682112, 268517376, 298352640, 335646720, 358023168, 397803520, 447528960, 477364224, 537034752, 596705280, 671293440, 716046336, 795607040, 895057920, 1074069504, 1193410560, 1342586880, 1432092672, 1790115840, 2148139008, 2386821120, 2685173760, 3580231680, 4296278016, 5370347520, 7160463360, 10740695040, 21481390080]

約数ペア:

[(1, 21481390080), (2, 10740695040), (3, 7160463360), (4, 5370347520), (5, 4296278016), (6, 3580231680), (8, 2685173760), (9, 2386821120), (10, 2148139008), (12, 1790115840), (15, 1432092672), (16, 1342586880), (18, 1193410560), (20, 1074069504), (24, 895057920), (27, 795607040), (30, 716046336), (32, 671293440), (36, 596705280), (40, 537034752), (45, 477364224), (48, 447528960), (54, 397803520), (60, 358023168), (64, 335646720), (72, 298352640), (80, 268517376), (90, 238682112), (96, 223764480), (108, 198901760), (120, 179011584), (128, 167823360), (135, 159121408), (144, 149176320), (160, 134258688), (180, 119341056), (192, 111882240), (216, 99450880), (240, 89505792), (256, 83911680), (270, 79560704), (288, 74588160), (320, 67129344), (360, 59670528), (384, 55941120), (432, 49725440), (480, 44752896), (512, 41955840), (540, 39780352), (576, 37294080), (607, 35389440), (640, 33564672), (720, 29835264), (768, 27970560), (864, 24862720), (960, 22376448), (1024, 20977920), (1080, 19890176), (1152, 18647040), (1214, 17694720), (1280, 16782336), (1440, 14917632), (1536, 13985280), (1728, 12431360), (1821, 11796480), (1920, 11188224), (2048, 10488960), (2160, 9945088), (2304, 9323520), (2428, 8847360), (2560, 8391168), (2880, 7458816), (3035, 7077888), (3072, 6992640), (3456, 6215680), (3642, 5898240), (3840, 5594112), (4096, 5244480), (4320, 4972544), (4608, 4661760), (4856, 4423680), (5120, 4195584), (5463, 3932160), (5760, 3729408), (6070, 3538944), (6144, 3496320), (6912, 3107840), (7284, 2949120), (7680, 2797056), (8192, 2622240), (8640, 2486272), (9105, 2359296), (9216, 2330880), (9712, 2211840), (10240, 2097792), (10926, 1966080), (11520, 1864704), (12140, 1769472), (12288, 1748160), (13824, 1553920), (14568, 1474560), (15360, 1398528), (16384, 1311120), (16389, 1310720), (17280, 1243136), (18210, 1179648), (18432, 1165440), (19424, 1105920), (20480, 1048896), (21852, 983040), (23040, 932352), (24280, 884736), (24576, 874080), (27315, 786432), (27648, 776960), (29136, 737280), (30720, 699264), (32768, 655560), (32778, 655360), (34560, 621568), (36420, 589824), (36864, 582720), (38848, 552960), (40960, 524448), (43704, 491520), (46080, 466176), (48560, 442368), (49152, 437040), (54630, 393216), (55296, 388480), (58272, 368640), (61440, 349632), (65536, 327780), (65556, 327680), (69120, 310784), (72840, 294912), (73728, 291360), (77696, 276480), (81920, 262224), (81945, 262144), (87408, 245760), (92160, 233088), (97120, 221184), (98304, 218520), (109260, 196608), (110592, 194240), (116544, 184320), (122880, 174816), (131072, 163890), (131112, 163840), (138240, 155392), (145680, 147456)]