31048320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 100563840

約数和(自身を除く): 69515520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 157, 160, 192, 206, 240, 309, 314, 320, 384, 412, 471, 480, 515, 618, 628, 640, 785, 824, 942, 960, 1030, 1236, 1256, 1545, 1570, 1648, 1884, 1920, 2060, 2355, 2472, 2512, 3090, 3140, 3296, 3768, 4120, 4710, 4944, 5024, 6180, 6280, 6592, 7536, 8240, 9420, 9888, 10048, 12360, 12560, 13184, 15072, 16171, 16480, 18840, 19776, 20096, 24720, 25120, 30144, 32342, 32960, 37680, 39552, 48513, 49440, 50240, 60288, 64684, 65920, 75360, 80855, 97026, 98880, 100480, 129368, 150720, 161710, 194052, 197760, 242565, 258736, 301440, 323420, 388104, 485130, 517472, 646840, 776208, 970260, 1034944, 1293680, 1552416, 1940520, 2069888, 2587360, 3104832, 3881040, 5174720, 6209664, 7762080, 10349440, 15524160, 31048320]

約数ペア:

[(1, 31048320), (2, 15524160), (3, 10349440), (4, 7762080), (5, 6209664), (6, 5174720), (8, 3881040), (10, 3104832), (12, 2587360), (15, 2069888), (16, 1940520), (20, 1552416), (24, 1293680), (30, 1034944), (32, 970260), (40, 776208), (48, 646840), (60, 517472), (64, 485130), (80, 388104), (96, 323420), (103, 301440), (120, 258736), (128, 242565), (157, 197760), (160, 194052), (192, 161710), (206, 150720), (240, 129368), (309, 100480), (314, 98880), (320, 97026), (384, 80855), (412, 75360), (471, 65920), (480, 64684), (515, 60288), (618, 50240), (628, 49440), (640, 48513), (785, 39552), (824, 37680), (942, 32960), (960, 32342), (1030, 30144), (1236, 25120), (1256, 24720), (1545, 20096), (1570, 19776), (1648, 18840), (1884, 16480), (1920, 16171), (2060, 15072), (2355, 13184), (2472, 12560), (2512, 12360), (3090, 10048), (3140, 9888), (3296, 9420), (3768, 8240), (4120, 7536), (4710, 6592), (4944, 6280), (5024, 6180)]