20565196800

素因数分解:

$2^{19}\times 3^1\times 5^2\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 240

約数和(自身を含む): 68132209200

約数和(自身を除く): 47567012400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 523, 600, 640, 768, 800, 960, 1024, 1046, 1200, 1280, 1536, 1569, 1600, 1920, 2048, 2092, 2400, 2560, 2615, 3072, 3138, 3200, 3840, 4096, 4184, 4800, 5120, 5230, 6144, 6276, 6400, 7680, 7845, 8192, 8368, 9600, 10240, 10460, 12288, 12552, 12800, 13075, 15360, 15690, 16384, 16736, 19200, 20480, 20920, 24576, 25104, 25600, 26150, 30720, 31380, 32768, 33472, 38400, 39225, 40960, 41840, 49152, 50208, 51200, 52300, 61440, 62760, 65536, 66944, 76800, 78450, 81920, 83680, 98304, 100416, 102400, 104600, 122880, 125520, 131072, 133888, 153600, 156900, 163840, 167360, 196608, 200832, 204800, 209200, 245760, 251040, 262144, 267776, 307200, 313800, 327680, 334720, 393216, 401664, 409600, 418400, 491520, 502080, 524288, 535552, 614400, 627600, 655360, 669440, 786432, 803328, 819200, 836800, 983040, 1004160, 1071104, 1228800, 1255200, 1310720, 1338880, 1572864, 1606656, 1638400, 1673600, 1966080, 2008320, 2142208, 2457600, 2510400, 2621440, 2677760, 3213312, 3276800, 3347200, 3932160, 4016640, 4284416, 4915200, 5020800, 5355520, 6426624, 6553600, 6694400, 7864320, 8033280, 8568832, 9830400, 10041600, 10711040, 12853248, 13107200, 13388800, 16066560, 17137664, 19660800, 20083200, 21422080, 25706496, 26777600, 32133120, 34275328, 39321600, 40166400, 42844160, 51412992, 53555200, 64266240, 68550656, 80332800, 85688320, 102825984, 107110400, 128532480, 137101312, 160665600, 171376640, 205651968, 214220800, 257064960, 274202624, 321331200, 342753280, 411303936, 428441600, 514129920, 642662400, 685506560, 822607872, 856883200, 1028259840, 1285324800, 1371013120, 1713766400, 2056519680, 2570649600, 3427532800, 4113039360, 5141299200, 6855065600, 10282598400, 20565196800]

約数ペア:

[(1, 20565196800), (2, 10282598400), (3, 6855065600), (4, 5141299200), (5, 4113039360), (6, 3427532800), (8, 2570649600), (10, 2056519680), (12, 1713766400), (15, 1371013120), (16, 1285324800), (20, 1028259840), (24, 856883200), (25, 822607872), (30, 685506560), (32, 642662400), (40, 514129920), (48, 428441600), (50, 411303936), (60, 342753280), (64, 321331200), (75, 274202624), (80, 257064960), (96, 214220800), (100, 205651968), (120, 171376640), (128, 160665600), (150, 137101312), (160, 128532480), (192, 107110400), (200, 102825984), (240, 85688320), (256, 80332800), (300, 68550656), (320, 64266240), (384, 53555200), (400, 51412992), (480, 42844160), (512, 40166400), (523, 39321600), (600, 34275328), (640, 32133120), (768, 26777600), (800, 25706496), (960, 21422080), (1024, 20083200), (1046, 19660800), (1200, 17137664), (1280, 16066560), (1536, 13388800), (1569, 13107200), (1600, 12853248), (1920, 10711040), (2048, 10041600), (2092, 9830400), (2400, 8568832), (2560, 8033280), (2615, 7864320), (3072, 6694400), (3138, 6553600), (3200, 6426624), (3840, 5355520), (4096, 5020800), (4184, 4915200), (4800, 4284416), (5120, 4016640), (5230, 3932160), (6144, 3347200), (6276, 3276800), (6400, 3213312), (7680, 2677760), (7845, 2621440), (8192, 2510400), (8368, 2457600), (9600, 2142208), (10240, 2008320), (10460, 1966080), (12288, 1673600), (12552, 1638400), (12800, 1606656), (13075, 1572864), (15360, 1338880), (15690, 1310720), (16384, 1255200), (16736, 1228800), (19200, 1071104), (20480, 1004160), (20920, 983040), (24576, 836800), (25104, 819200), (25600, 803328), (26150, 786432), (30720, 669440), (31380, 655360), (32768, 627600), (33472, 614400), (38400, 535552), (39225, 524288), (40960, 502080), (41840, 491520), (49152, 418400), (50208, 409600), (51200, 401664), (52300, 393216), (61440, 334720), (62760, 327680), (65536, 313800), (66944, 307200), (76800, 267776), (78450, 262144), (81920, 251040), (83680, 245760), (98304, 209200), (100416, 204800), (102400, 200832), (104600, 196608), (122880, 167360), (125520, 163840), (131072, 156900), (133888, 153600)]