245264880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{145991}}^1$

素因数の和:146014

約数の個数: 80

約数和(自身を含む): 868944384

約数和(自身を除く): 623679504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 145991, 291982, 437973, 583964, 729955, 875946, 1021937, 1167928, 1459910, 1751892, 2043874, 2189865, 2335856, 2919820, 3065811, 3503784, 4087748, 4379730, 5109685, 5839640, 6131622, 7007568, 8175496, 8759460, 10219370, 11679280, 12263244, 15329055, 16350992, 17518920, 20438740, 24526488, 30658110, 35037840, 40877480, 49052976, 61316220, 81754960, 122632440, 245264880]

約数ペア:

[(1, 245264880), (2, 122632440), (3, 81754960), (4, 61316220), (5, 49052976), (6, 40877480), (7, 35037840), (8, 30658110), (10, 24526488), (12, 20438740), (14, 17518920), (15, 16350992), (16, 15329055), (20, 12263244), (21, 11679280), (24, 10219370), (28, 8759460), (30, 8175496), (35, 7007568), (40, 6131622), (42, 5839640), (48, 5109685), (56, 4379730), (60, 4087748), (70, 3503784), (80, 3065811), (84, 2919820), (105, 2335856), (112, 2189865), (120, 2043874), (140, 1751892), (168, 1459910), (210, 1167928), (240, 1021937), (280, 875946), (336, 729955), (420, 583964), (560, 437973), (840, 291982), (1680, 145991)]