69937840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1850

約数の個数: 80

約数和(自身を含む): 188559360

約数和(自身を除く): 118621520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1759, 1988, 2485, 2840, 3518, 3976, 4970, 5680, 7036, 7952, 8795, 9940, 12313, 14072, 17590, 19880, 24626, 28144, 35180, 39760, 49252, 61565, 70360, 98504, 123130, 124889, 140720, 197008, 246260, 249778, 492520, 499556, 624445, 874223, 985040, 999112, 1248890, 1748446, 1998224, 2497780, 3496892, 4371115, 4995560, 6993784, 8742230, 9991120, 13987568, 17484460, 34968920, 69937840]

約数ペア:

[(1, 69937840), (2, 34968920), (4, 17484460), (5, 13987568), (7, 9991120), (8, 8742230), (10, 6993784), (14, 4995560), (16, 4371115), (20, 3496892), (28, 2497780), (35, 1998224), (40, 1748446), (56, 1248890), (70, 999112), (71, 985040), (80, 874223), (112, 624445), (140, 499556), (142, 492520), (280, 249778), (284, 246260), (355, 197008), (497, 140720), (560, 124889), (568, 123130), (710, 98504), (994, 70360), (1136, 61565), (1420, 49252), (1759, 39760), (1988, 35180), (2485, 28144), (2840, 24626), (3518, 19880), (3976, 17590), (4970, 14072), (5680, 12313), (7036, 9940), (7952, 8795)]