1979880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2357}}^1$

素因数の和:2378

約数の個数: 64

約数和(自身を含む): 6791040

約数和(自身を除く): 4811160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2357, 4714, 7071, 9428, 11785, 14142, 16499, 18856, 23570, 28284, 32998, 35355, 47140, 49497, 56568, 65996, 70710, 82495, 94280, 98994, 131992, 141420, 164990, 197988, 247485, 282840, 329980, 395976, 494970, 659960, 989940, 1979880]

約数ペア:

[(1, 1979880), (2, 989940), (3, 659960), (4, 494970), (5, 395976), (6, 329980), (7, 282840), (8, 247485), (10, 197988), (12, 164990), (14, 141420), (15, 131992), (20, 98994), (21, 94280), (24, 82495), (28, 70710), (30, 65996), (35, 56568), (40, 49497), (42, 47140), (56, 35355), (60, 32998), (70, 28284), (84, 23570), (105, 18856), (120, 16499), (140, 14142), (168, 11785), (210, 9428), (280, 7071), (420, 4714), (840, 2357)]