128578560

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 176

約数和(自身を含む): 449226432

約数和(自身を除く): 320647872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 640, 660, 704, 761, 768, 880, 960, 1024, 1056, 1280, 1320, 1408, 1522, 1536, 1760, 1920, 2112, 2283, 2560, 2640, 2816, 3044, 3072, 3520, 3805, 3840, 4224, 4566, 5120, 5280, 5632, 6088, 7040, 7610, 7680, 8371, 8448, 9132, 10560, 11264, 11415, 12176, 14080, 15220, 15360, 16742, 16896, 18264, 21120, 22830, 24352, 25113, 28160, 30440, 33484, 33792, 36528, 41855, 42240, 45660, 48704, 50226, 56320, 60880, 66968, 73056, 83710, 84480, 91320, 97408, 100452, 121760, 125565, 133936, 146112, 167420, 168960, 182640, 194816, 200904, 243520, 251130, 267872, 292224, 334840, 365280, 389632, 401808, 487040, 502260, 535744, 584448, 669680, 730560, 779264, 803616, 974080, 1004520, 1071488, 1168896, 1339360, 1461120, 1607232, 1948160, 2009040, 2142976, 2337792, 2678720, 2922240, 3214464, 3896320, 4018080, 4285952, 5357440, 5844480, 6428928, 8036160, 8571904, 10714880, 11688960, 12857856, 16072320, 21429760, 25715712, 32144640, 42859520, 64289280, 128578560]

約数ペア:

[(1, 128578560), (2, 64289280), (3, 42859520), (4, 32144640), (5, 25715712), (6, 21429760), (8, 16072320), (10, 12857856), (11, 11688960), (12, 10714880), (15, 8571904), (16, 8036160), (20, 6428928), (22, 5844480), (24, 5357440), (30, 4285952), (32, 4018080), (33, 3896320), (40, 3214464), (44, 2922240), (48, 2678720), (55, 2337792), (60, 2142976), (64, 2009040), (66, 1948160), (80, 1607232), (88, 1461120), (96, 1339360), (110, 1168896), (120, 1071488), (128, 1004520), (132, 974080), (160, 803616), (165, 779264), (176, 730560), (192, 669680), (220, 584448), (240, 535744), (256, 502260), (264, 487040), (320, 401808), (330, 389632), (352, 365280), (384, 334840), (440, 292224), (480, 267872), (512, 251130), (528, 243520), (640, 200904), (660, 194816), (704, 182640), (761, 168960), (768, 167420), (880, 146112), (960, 133936), (1024, 125565), (1056, 121760), (1280, 100452), (1320, 97408), (1408, 91320), (1522, 84480), (1536, 83710), (1760, 73056), (1920, 66968), (2112, 60880), (2283, 56320), (2560, 50226), (2640, 48704), (2816, 45660), (3044, 42240), (3072, 41855), (3520, 36528), (3805, 33792), (3840, 33484), (4224, 30440), (4566, 28160), (5120, 25113), (5280, 24352), (5632, 22830), (6088, 21120), (7040, 18264), (7610, 16896), (7680, 16742), (8371, 15360), (8448, 15220), (9132, 14080), (10560, 12176), (11264, 11415)]