279751360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1854

約数の個数: 112

約数和(自身を含む): 772485120

約数和(自身を除く): 492733760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1759, 1988, 2240, 2272, 2485, 2840, 3518, 3976, 4544, 4970, 5680, 7036, 7952, 8795, 9940, 11360, 12313, 14072, 15904, 17590, 19880, 22720, 24626, 28144, 31808, 35180, 39760, 49252, 56288, 61565, 70360, 79520, 98504, 112576, 123130, 124889, 140720, 159040, 197008, 246260, 249778, 281440, 394016, 492520, 499556, 562880, 624445, 788032, 874223, 985040, 999112, 1248890, 1748446, 1970080, 1998224, 2497780, 3496892, 3940160, 3996448, 4371115, 4995560, 6993784, 7992896, 8742230, 9991120, 13987568, 17484460, 19982240, 27975136, 34968920, 39964480, 55950272, 69937840, 139875680, 279751360]

約数ペア:

[(1, 279751360), (2, 139875680), (4, 69937840), (5, 55950272), (7, 39964480), (8, 34968920), (10, 27975136), (14, 19982240), (16, 17484460), (20, 13987568), (28, 9991120), (32, 8742230), (35, 7992896), (40, 6993784), (56, 4995560), (64, 4371115), (70, 3996448), (71, 3940160), (80, 3496892), (112, 2497780), (140, 1998224), (142, 1970080), (160, 1748446), (224, 1248890), (280, 999112), (284, 985040), (320, 874223), (355, 788032), (448, 624445), (497, 562880), (560, 499556), (568, 492520), (710, 394016), (994, 281440), (1120, 249778), (1136, 246260), (1420, 197008), (1759, 159040), (1988, 140720), (2240, 124889), (2272, 123130), (2485, 112576), (2840, 98504), (3518, 79520), (3976, 70360), (4544, 61565), (4970, 56288), (5680, 49252), (7036, 39760), (7952, 35180), (8795, 31808), (9940, 28144), (11360, 24626), (12313, 22720), (14072, 19880), (15904, 17590)]