128004480

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:409

約数の個数: 192

約数和(自身を含む): 449673120

約数和(自身を除く): 321668640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 284, 288, 313, 320, 355, 360, 384, 426, 480, 568, 576, 626, 639, 640, 710, 720, 852, 939, 960, 1065, 1136, 1152, 1252, 1278, 1420, 1440, 1565, 1704, 1878, 1920, 2130, 2272, 2504, 2556, 2817, 2840, 2880, 3130, 3195, 3408, 3756, 4260, 4544, 4695, 5008, 5112, 5634, 5680, 5760, 6260, 6390, 6816, 7512, 8520, 9088, 9390, 10016, 10224, 11268, 11360, 12520, 12780, 13632, 14085, 15024, 17040, 18780, 20032, 20448, 22223, 22536, 22720, 25040, 25560, 27264, 28170, 30048, 34080, 37560, 40064, 40896, 44446, 45072, 45440, 50080, 51120, 56340, 60096, 66669, 68160, 75120, 81792, 88892, 90144, 100160, 102240, 111115, 112680, 120192, 133338, 136320, 150240, 177784, 180288, 200007, 200320, 204480, 222230, 225360, 266676, 300480, 333345, 355568, 360576, 400014, 408960, 444460, 450720, 533352, 600960, 666690, 711136, 800028, 888920, 901440, 1000035, 1066704, 1333380, 1422272, 1600056, 1777840, 1802880, 2000070, 2133408, 2666760, 2844544, 3200112, 3555680, 4000140, 4266816, 5333520, 6400224, 7111360, 8000280, 8533632, 10667040, 12800448, 14222720, 16000560, 21334080, 25600896, 32001120, 42668160, 64002240, 128004480]

約数ペア:

[(1, 128004480), (2, 64002240), (3, 42668160), (4, 32001120), (5, 25600896), (6, 21334080), (8, 16000560), (9, 14222720), (10, 12800448), (12, 10667040), (15, 8533632), (16, 8000280), (18, 7111360), (20, 6400224), (24, 5333520), (30, 4266816), (32, 4000140), (36, 3555680), (40, 3200112), (45, 2844544), (48, 2666760), (60, 2133408), (64, 2000070), (71, 1802880), (72, 1777840), (80, 1600056), (90, 1422272), (96, 1333380), (120, 1066704), (128, 1000035), (142, 901440), (144, 888920), (160, 800028), (180, 711136), (192, 666690), (213, 600960), (240, 533352), (284, 450720), (288, 444460), (313, 408960), (320, 400014), (355, 360576), (360, 355568), (384, 333345), (426, 300480), (480, 266676), (568, 225360), (576, 222230), (626, 204480), (639, 200320), (640, 200007), (710, 180288), (720, 177784), (852, 150240), (939, 136320), (960, 133338), (1065, 120192), (1136, 112680), (1152, 111115), (1252, 102240), (1278, 100160), (1420, 90144), (1440, 88892), (1565, 81792), (1704, 75120), (1878, 68160), (1920, 66669), (2130, 60096), (2272, 56340), (2504, 51120), (2556, 50080), (2817, 45440), (2840, 45072), (2880, 44446), (3130, 40896), (3195, 40064), (3408, 37560), (3756, 34080), (4260, 30048), (4544, 28170), (4695, 27264), (5008, 25560), (5112, 25040), (5634, 22720), (5680, 22536), (5760, 22223), (6260, 20448), (6390, 20032), (6816, 18780), (7512, 17040), (8520, 15024), (9088, 14085), (9390, 13632), (10016, 12780), (10224, 12520), (11268, 11360)]