138187840

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{1259}}^1$

素因数の和:1297

約数の個数: 112

約数和(自身を含む): 384048000

約数和(自身を除く): 245860160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1259, 1372, 1568, 1715, 1960, 2240, 2518, 2744, 3136, 3430, 3920, 5036, 5488, 6295, 6860, 7840, 8813, 10072, 10976, 12590, 13720, 15680, 17626, 20144, 21952, 25180, 27440, 35252, 40288, 44065, 50360, 54880, 61691, 70504, 80576, 88130, 100720, 109760, 123382, 141008, 176260, 201440, 246764, 282016, 308455, 352520, 402880, 431837, 493528, 564032, 616910, 705040, 863674, 987056, 1233820, 1410080, 1727348, 1974112, 2159185, 2467640, 2820160, 3454696, 3948224, 4318370, 4935280, 6909392, 8636740, 9870560, 13818784, 17273480, 19741120, 27637568, 34546960, 69093920, 138187840]

約数ペア:

[(1, 138187840), (2, 69093920), (4, 34546960), (5, 27637568), (7, 19741120), (8, 17273480), (10, 13818784), (14, 9870560), (16, 8636740), (20, 6909392), (28, 4935280), (32, 4318370), (35, 3948224), (40, 3454696), (49, 2820160), (56, 2467640), (64, 2159185), (70, 1974112), (80, 1727348), (98, 1410080), (112, 1233820), (140, 987056), (160, 863674), (196, 705040), (224, 616910), (245, 564032), (280, 493528), (320, 431837), (343, 402880), (392, 352520), (448, 308455), (490, 282016), (560, 246764), (686, 201440), (784, 176260), (980, 141008), (1120, 123382), (1259, 109760), (1372, 100720), (1568, 88130), (1715, 80576), (1960, 70504), (2240, 61691), (2518, 54880), (2744, 50360), (3136, 44065), (3430, 40288), (3920, 35252), (5036, 27440), (5488, 25180), (6295, 21952), (6860, 20144), (7840, 17626), (8813, 15680), (10072, 13720), (10976, 12590)]