128234880

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 256

約数和(自身を含む): 467812800

約数和(自身を除く): 339577920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 64, 72, 80, 82, 90, 96, 108, 120, 123, 128, 135, 144, 160, 164, 180, 181, 192, 205, 216, 240, 246, 270, 288, 320, 328, 360, 362, 369, 384, 410, 432, 480, 492, 540, 543, 576, 615, 640, 656, 720, 724, 738, 820, 864, 905, 960, 984, 1080, 1086, 1107, 1152, 1230, 1312, 1440, 1448, 1476, 1629, 1640, 1728, 1810, 1845, 1920, 1968, 2160, 2172, 2214, 2460, 2624, 2715, 2880, 2896, 2952, 3258, 3280, 3456, 3620, 3690, 3936, 4320, 4344, 4428, 4887, 4920, 5248, 5430, 5535, 5760, 5792, 5904, 6516, 6560, 7240, 7380, 7421, 7872, 8145, 8640, 8688, 8856, 9774, 9840, 10860, 11070, 11584, 11808, 13032, 13120, 14480, 14760, 14842, 15744, 16290, 17280, 17376, 17712, 19548, 19680, 21720, 22140, 22263, 23168, 23616, 24435, 26064, 26240, 28960, 29520, 29684, 32580, 34752, 35424, 37105, 39096, 39360, 43440, 44280, 44526, 47232, 48870, 52128, 57920, 59040, 59368, 65160, 66789, 69504, 70848, 74210, 78192, 78720, 86880, 88560, 89052, 97740, 104256, 111315, 115840, 118080, 118736, 130320, 133578, 141696, 148420, 156384, 173760, 177120, 178104, 195480, 200367, 208512, 222630, 236160, 237472, 260640, 267156, 296840, 312768, 333945, 347520, 354240, 356208, 390960, 400734, 445260, 474944, 521280, 534312, 593680, 625536, 667890, 708480, 712416, 781920, 801468, 890520, 949888, 1001835, 1042560, 1068624, 1187360, 1335780, 1424832, 1563840, 1602936, 1781040, 2003670, 2137248, 2374720, 2671560, 2849664, 3127680, 3205872, 3562080, 4007340, 4274496, 4749440, 5343120, 6411744, 7124160, 8014680, 8548992, 10686240, 12823488, 14248320, 16029360, 21372480, 25646976, 32058720, 42744960, 64117440, 128234880]

約数ペア:

[(1, 128234880), (2, 64117440), (3, 42744960), (4, 32058720), (5, 25646976), (6, 21372480), (8, 16029360), (9, 14248320), (10, 12823488), (12, 10686240), (15, 8548992), (16, 8014680), (18, 7124160), (20, 6411744), (24, 5343120), (27, 4749440), (30, 4274496), (32, 4007340), (36, 3562080), (40, 3205872), (41, 3127680), (45, 2849664), (48, 2671560), (54, 2374720), (60, 2137248), (64, 2003670), (72, 1781040), (80, 1602936), (82, 1563840), (90, 1424832), (96, 1335780), (108, 1187360), (120, 1068624), (123, 1042560), (128, 1001835), (135, 949888), (144, 890520), (160, 801468), (164, 781920), (180, 712416), (181, 708480), (192, 667890), (205, 625536), (216, 593680), (240, 534312), (246, 521280), (270, 474944), (288, 445260), (320, 400734), (328, 390960), (360, 356208), (362, 354240), (369, 347520), (384, 333945), (410, 312768), (432, 296840), (480, 267156), (492, 260640), (540, 237472), (543, 236160), (576, 222630), (615, 208512), (640, 200367), (656, 195480), (720, 178104), (724, 177120), (738, 173760), (820, 156384), (864, 148420), (905, 141696), (960, 133578), (984, 130320), (1080, 118736), (1086, 118080), (1107, 115840), (1152, 111315), (1230, 104256), (1312, 97740), (1440, 89052), (1448, 88560), (1476, 86880), (1629, 78720), (1640, 78192), (1728, 74210), (1810, 70848), (1845, 69504), (1920, 66789), (1968, 65160), (2160, 59368), (2172, 59040), (2214, 57920), (2460, 52128), (2624, 48870), (2715, 47232), (2880, 44526), (2896, 44280), (2952, 43440), (3258, 39360), (3280, 39096), (3456, 37105), (3620, 35424), (3690, 34752), (3936, 32580), (4320, 29684), (4344, 29520), (4428, 28960), (4887, 26240), (4920, 26064), (5248, 24435), (5430, 23616), (5535, 23168), (5760, 22263), (5792, 22140), (5904, 21720), (6516, 19680), (6560, 19548), (7240, 17712), (7380, 17376), (7421, 17280), (7872, 16290), (8145, 15744), (8640, 14842), (8688, 14760), (8856, 14480), (9774, 13120), (9840, 13032), (10860, 11808), (11070, 11584)]