3918720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 13537440

約数和(自身を除く): 9618720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 157, 160, 192, 195, 208, 240, 260, 312, 314, 320, 384, 390, 416, 471, 480, 520, 624, 628, 640, 780, 785, 832, 942, 960, 1040, 1248, 1256, 1560, 1570, 1664, 1884, 1920, 2041, 2080, 2355, 2496, 2512, 3120, 3140, 3768, 4082, 4160, 4710, 4992, 5024, 6123, 6240, 6280, 7536, 8164, 8320, 9420, 10048, 10205, 12246, 12480, 12560, 15072, 16328, 18840, 20096, 20410, 24492, 24960, 25120, 30144, 30615, 32656, 37680, 40820, 48984, 50240, 60288, 61230, 65312, 75360, 81640, 97968, 100480, 122460, 130624, 150720, 163280, 195936, 244920, 261248, 301440, 326560, 391872, 489840, 653120, 783744, 979680, 1306240, 1959360, 3918720]

約数ペア:

[(1, 3918720), (2, 1959360), (3, 1306240), (4, 979680), (5, 783744), (6, 653120), (8, 489840), (10, 391872), (12, 326560), (13, 301440), (15, 261248), (16, 244920), (20, 195936), (24, 163280), (26, 150720), (30, 130624), (32, 122460), (39, 100480), (40, 97968), (48, 81640), (52, 75360), (60, 65312), (64, 61230), (65, 60288), (78, 50240), (80, 48984), (96, 40820), (104, 37680), (120, 32656), (128, 30615), (130, 30144), (156, 25120), (157, 24960), (160, 24492), (192, 20410), (195, 20096), (208, 18840), (240, 16328), (260, 15072), (312, 12560), (314, 12480), (320, 12246), (384, 10205), (390, 10048), (416, 9420), (471, 8320), (480, 8164), (520, 7536), (624, 6280), (628, 6240), (640, 6123), (780, 5024), (785, 4992), (832, 4710), (942, 4160), (960, 4082), (1040, 3768), (1248, 3140), (1256, 3120), (1560, 2512), (1570, 2496), (1664, 2355), (1884, 2080), (1920, 2041)]