1989450240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3121}}^1$

素因数の和:3230

約数の個数: 160

約数和(自身を含む): 6438712896

約数和(自身を除く): 4449262656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 480, 498, 512, 640, 664, 768, 830, 960, 996, 1245, 1280, 1328, 1536, 1660, 1920, 1992, 2490, 2560, 2656, 3121, 3320, 3840, 3984, 4980, 5312, 6242, 6640, 7680, 7968, 9363, 9960, 10624, 12484, 13280, 15605, 15936, 18726, 19920, 21248, 24968, 26560, 31210, 31872, 37452, 39840, 42496, 46815, 49936, 53120, 62420, 63744, 74904, 79680, 93630, 99872, 106240, 124840, 127488, 149808, 159360, 187260, 199744, 212480, 249680, 259043, 299616, 318720, 374520, 399488, 499360, 518086, 599232, 637440, 749040, 777129, 798976, 998720, 1036172, 1198464, 1295215, 1498080, 1554258, 1597952, 1997440, 2072344, 2396928, 2590430, 2996160, 3108516, 3885645, 3994880, 4144688, 4793856, 5180860, 5992320, 6217032, 7771290, 7989760, 8289376, 10361720, 11984640, 12434064, 15542580, 16578752, 20723440, 23969280, 24868128, 31085160, 33157504, 41446880, 49736256, 62170320, 66315008, 82893760, 99472512, 124340640, 132630016, 165787520, 198945024, 248681280, 331575040, 397890048, 497362560, 663150080, 994725120, 1989450240]

約数ペア:

[(1, 1989450240), (2, 994725120), (3, 663150080), (4, 497362560), (5, 397890048), (6, 331575040), (8, 248681280), (10, 198945024), (12, 165787520), (15, 132630016), (16, 124340640), (20, 99472512), (24, 82893760), (30, 66315008), (32, 62170320), (40, 49736256), (48, 41446880), (60, 33157504), (64, 31085160), (80, 24868128), (83, 23969280), (96, 20723440), (120, 16578752), (128, 15542580), (160, 12434064), (166, 11984640), (192, 10361720), (240, 8289376), (249, 7989760), (256, 7771290), (320, 6217032), (332, 5992320), (384, 5180860), (415, 4793856), (480, 4144688), (498, 3994880), (512, 3885645), (640, 3108516), (664, 2996160), (768, 2590430), (830, 2396928), (960, 2072344), (996, 1997440), (1245, 1597952), (1280, 1554258), (1328, 1498080), (1536, 1295215), (1660, 1198464), (1920, 1036172), (1992, 998720), (2490, 798976), (2560, 777129), (2656, 749040), (3121, 637440), (3320, 599232), (3840, 518086), (3984, 499360), (4980, 399488), (5312, 374520), (6242, 318720), (6640, 299616), (7680, 259043), (7968, 249680), (9363, 212480), (9960, 199744), (10624, 187260), (12484, 159360), (13280, 149808), (15605, 127488), (15936, 124840), (18726, 106240), (19920, 99872), (21248, 93630), (24968, 79680), (26560, 74904), (31210, 63744), (31872, 62420), (37452, 53120), (39840, 49936), (42496, 46815)]