21390950400

素因数分解:

$2^{24}\times 3^1\times 5^2\times {\mathrm{17}}^1$

素因数の和:78

約数の個数: 300

約数和(自身を含む): 74893489992

約数和(自身を除く): 53502539592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 80, 85, 96, 100, 102, 120, 128, 136, 150, 160, 170, 192, 200, 204, 240, 255, 256, 272, 300, 320, 340, 384, 400, 408, 425, 480, 510, 512, 544, 600, 640, 680, 768, 800, 816, 850, 960, 1020, 1024, 1088, 1200, 1275, 1280, 1360, 1536, 1600, 1632, 1700, 1920, 2040, 2048, 2176, 2400, 2550, 2560, 2720, 3072, 3200, 3264, 3400, 3840, 4080, 4096, 4352, 4800, 5100, 5120, 5440, 6144, 6400, 6528, 6800, 7680, 8160, 8192, 8704, 9600, 10200, 10240, 10880, 12288, 12800, 13056, 13600, 15360, 16320, 16384, 17408, 19200, 20400, 20480, 21760, 24576, 25600, 26112, 27200, 30720, 32640, 32768, 34816, 38400, 40800, 40960, 43520, 49152, 51200, 52224, 54400, 61440, 65280, 65536, 69632, 76800, 81600, 81920, 87040, 98304, 102400, 104448, 108800, 122880, 130560, 131072, 139264, 153600, 163200, 163840, 174080, 196608, 204800, 208896, 217600, 245760, 261120, 262144, 278528, 307200, 326400, 327680, 348160, 393216, 409600, 417792, 435200, 491520, 522240, 524288, 557056, 614400, 652800, 655360, 696320, 786432, 819200, 835584, 870400, 983040, 1044480, 1048576, 1114112, 1228800, 1305600, 1310720, 1392640, 1572864, 1638400, 1671168, 1740800, 1966080, 2088960, 2097152, 2228224, 2457600, 2611200, 2621440, 2785280, 3145728, 3276800, 3342336, 3481600, 3932160, 4177920, 4194304, 4456448, 4915200, 5222400, 5242880, 5570560, 6291456, 6553600, 6684672, 6963200, 7864320, 8355840, 8388608, 8912896, 9830400, 10444800, 10485760, 11141120, 12582912, 13107200, 13369344, 13926400, 15728640, 16711680, 16777216, 17825792, 19660800, 20889600, 20971520, 22282240, 25165824, 26214400, 26738688, 27852800, 31457280, 33423360, 35651584, 39321600, 41779200, 41943040, 44564480, 50331648, 52428800, 53477376, 55705600, 62914560, 66846720, 71303168, 78643200, 83558400, 83886080, 89128960, 104857600, 106954752, 111411200, 125829120, 133693440, 142606336, 157286400, 167116800, 178257920, 209715200, 213909504, 222822400, 251658240, 267386880, 285212672, 314572800, 334233600, 356515840, 419430400, 427819008, 445644800, 534773760, 629145600, 668467200, 713031680, 855638016, 891289600, 1069547520, 1258291200, 1336934400, 1426063360, 1782579200, 2139095040, 2673868800, 3565158400, 4278190080, 5347737600, 7130316800, 10695475200, 21390950400]

約数ペア:

[(1, 21390950400), (2, 10695475200), (3, 7130316800), (4, 5347737600), (5, 4278190080), (6, 3565158400), (8, 2673868800), (10, 2139095040), (12, 1782579200), (15, 1426063360), (16, 1336934400), (17, 1258291200), (20, 1069547520), (24, 891289600), (25, 855638016), (30, 713031680), (32, 668467200), (34, 629145600), (40, 534773760), (48, 445644800), (50, 427819008), (51, 419430400), (60, 356515840), (64, 334233600), (68, 314572800), (75, 285212672), (80, 267386880), (85, 251658240), (96, 222822400), (100, 213909504), (102, 209715200), (120, 178257920), (128, 167116800), (136, 157286400), (150, 142606336), (160, 133693440), (170, 125829120), (192, 111411200), (200, 106954752), (204, 104857600), (240, 89128960), (255, 83886080), (256, 83558400), (272, 78643200), (300, 71303168), (320, 66846720), (340, 62914560), (384, 55705600), (400, 53477376), (408, 52428800), (425, 50331648), (480, 44564480), (510, 41943040), (512, 41779200), (544, 39321600), (600, 35651584), (640, 33423360), (680, 31457280), (768, 27852800), (800, 26738688), (816, 26214400), (850, 25165824), (960, 22282240), (1020, 20971520), (1024, 20889600), (1088, 19660800), (1200, 17825792), (1275, 16777216), (1280, 16711680), (1360, 15728640), (1536, 13926400), (1600, 13369344), (1632, 13107200), (1700, 12582912), (1920, 11141120), (2040, 10485760), (2048, 10444800), (2176, 9830400), (2400, 8912896), (2550, 8388608), (2560, 8355840), (2720, 7864320), (3072, 6963200), (3200, 6684672), (3264, 6553600), (3400, 6291456), (3840, 5570560), (4080, 5242880), (4096, 5222400), (4352, 4915200), (4800, 4456448), (5100, 4194304), (5120, 4177920), (5440, 3932160), (6144, 3481600), (6400, 3342336), (6528, 3276800), (6800, 3145728), (7680, 2785280), (8160, 2621440), (8192, 2611200), (8704, 2457600), (9600, 2228224), (10200, 2097152), (10240, 2088960), (10880, 1966080), (12288, 1740800), (12800, 1671168), (13056, 1638400), (13600, 1572864), (15360, 1392640), (16320, 1310720), (16384, 1305600), (17408, 1228800), (19200, 1114112), (20400, 1048576), (20480, 1044480), (21760, 983040), (24576, 870400), (25600, 835584), (26112, 819200), (27200, 786432), (30720, 696320), (32640, 655360), (32768, 652800), (34816, 614400), (38400, 557056), (40800, 524288), (40960, 522240), (43520, 491520), (49152, 435200), (51200, 417792), (52224, 409600), (54400, 393216), (61440, 348160), (65280, 327680), (65536, 326400), (69632, 307200), (76800, 278528), (81600, 262144), (81920, 261120), (87040, 245760), (98304, 217600), (102400, 208896), (104448, 204800), (108800, 196608), (122880, 174080), (130560, 163840), (131072, 163200), (139264, 153600)]